19838280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:164

約数の個数: 256

約数和(自身を含む): 78796800

約数和(自身を除く): 58958520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 19, 20, 21, 22, 24, 28, 30, 33, 35, 38, 40, 42, 44, 55, 56, 57, 60, 66, 70, 76, 77, 84, 88, 95, 105, 110, 113, 114, 120, 132, 133, 140, 152, 154, 165, 168, 190, 209, 210, 220, 226, 228, 231, 264, 266, 280, 285, 308, 330, 339, 380, 385, 399, 418, 420, 440, 452, 456, 462, 532, 565, 570, 616, 627, 660, 665, 678, 760, 770, 791, 798, 836, 840, 904, 924, 1045, 1064, 1130, 1140, 1155, 1243, 1254, 1320, 1330, 1356, 1463, 1540, 1582, 1596, 1672, 1695, 1848, 1995, 2090, 2147, 2260, 2280, 2310, 2373, 2486, 2508, 2660, 2712, 2926, 3080, 3135, 3164, 3192, 3390, 3729, 3955, 3990, 4180, 4294, 4389, 4520, 4620, 4746, 4972, 5016, 5320, 5852, 6215, 6270, 6328, 6441, 6780, 7315, 7458, 7910, 7980, 8360, 8588, 8701, 8778, 9240, 9492, 9944, 10735, 11704, 11865, 12430, 12540, 12882, 13560, 14630, 14916, 15029, 15820, 15960, 17176, 17402, 17556, 18645, 18984, 21470, 21945, 23617, 23730, 24860, 25080, 25764, 26103, 29260, 29832, 30058, 31640, 32205, 34804, 35112, 37290, 42940, 43505, 43890, 45087, 47234, 47460, 49720, 51528, 52206, 58520, 60116, 64410, 69608, 70851, 74580, 75145, 85880, 87010, 87780, 90174, 94468, 94920, 104412, 118085, 120232, 128820, 130515, 141702, 149160, 150290, 165319, 174020, 175560, 180348, 188936, 208824, 225435, 236170, 257640, 261030, 283404, 300580, 330638, 348040, 354255, 360696, 450870, 472340, 495957, 522060, 566808, 601160, 661276, 708510, 826595, 901740, 944680, 991914, 1044120, 1322552, 1417020, 1653190, 1803480, 1983828, 2479785, 2834040, 3306380, 3967656, 4959570, 6612760, 9919140, 19838280]

約数ペア:

[(1, 19838280), (2, 9919140), (3, 6612760), (4, 4959570), (5, 3967656), (6, 3306380), (7, 2834040), (8, 2479785), (10, 1983828), (11, 1803480), (12, 1653190), (14, 1417020), (15, 1322552), (19, 1044120), (20, 991914), (21, 944680), (22, 901740), (24, 826595), (28, 708510), (30, 661276), (33, 601160), (35, 566808), (38, 522060), (40, 495957), (42, 472340), (44, 450870), (55, 360696), (56, 354255), (57, 348040), (60, 330638), (66, 300580), (70, 283404), (76, 261030), (77, 257640), (84, 236170), (88, 225435), (95, 208824), (105, 188936), (110, 180348), (113, 175560), (114, 174020), (120, 165319), (132, 150290), (133, 149160), (140, 141702), (152, 130515), (154, 128820), (165, 120232), (168, 118085), (190, 104412), (209, 94920), (210, 94468), (220, 90174), (226, 87780), (228, 87010), (231, 85880), (264, 75145), (266, 74580), (280, 70851), (285, 69608), (308, 64410), (330, 60116), (339, 58520), (380, 52206), (385, 51528), (399, 49720), (418, 47460), (420, 47234), (440, 45087), (452, 43890), (456, 43505), (462, 42940), (532, 37290), (565, 35112), (570, 34804), (616, 32205), (627, 31640), (660, 30058), (665, 29832), (678, 29260), (760, 26103), (770, 25764), (791, 25080), (798, 24860), (836, 23730), (840, 23617), (904, 21945), (924, 21470), (1045, 18984), (1064, 18645), (1130, 17556), (1140, 17402), (1155, 17176), (1243, 15960), (1254, 15820), (1320, 15029), (1330, 14916), (1356, 14630), (1463, 13560), (1540, 12882), (1582, 12540), (1596, 12430), (1672, 11865), (1695, 11704), (1848, 10735), (1995, 9944), (2090, 9492), (2147, 9240), (2260, 8778), (2280, 8701), (2310, 8588), (2373, 8360), (2486, 7980), (2508, 7910), (2660, 7458), (2712, 7315), (2926, 6780), (3080, 6441), (3135, 6328), (3164, 6270), (3192, 6215), (3390, 5852), (3729, 5320), (3955, 5016), (3990, 4972), (4180, 4746), (4294, 4620), (4389, 4520)]