19168380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1$

素因数の和:497

約数の個数: 192

約数和(自身を含む): 74511360

約数和(自身を除く): 55342980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 108, 110, 126, 132, 135, 140, 154, 165, 180, 189, 198, 210, 220, 231, 252, 270, 297, 308, 315, 330, 378, 385, 396, 420, 461, 462, 495, 540, 594, 630, 660, 693, 756, 770, 922, 924, 945, 990, 1155, 1188, 1260, 1383, 1386, 1485, 1540, 1844, 1890, 1980, 2079, 2305, 2310, 2766, 2772, 2970, 3227, 3465, 3780, 4149, 4158, 4610, 4620, 5071, 5532, 5940, 6454, 6915, 6930, 8298, 8316, 9220, 9681, 10142, 10395, 12447, 12908, 13830, 13860, 15213, 16135, 16596, 19362, 20284, 20745, 20790, 24894, 25355, 27660, 29043, 30426, 32270, 35497, 38724, 41490, 41580, 45639, 48405, 49788, 50710, 58086, 60852, 62235, 64540, 70994, 76065, 82980, 87129, 91278, 96810, 101420, 106491, 116172, 124470, 136917, 141988, 145215, 152130, 174258, 177485, 182556, 193620, 212982, 228195, 248940, 273834, 290430, 304260, 319473, 348516, 354970, 425964, 435645, 456390, 532455, 547668, 580860, 638946, 684585, 709940, 871290, 912780, 958419, 1064910, 1277892, 1369170, 1597365, 1742580, 1916838, 2129820, 2738340, 3194730, 3833676, 4792095, 6389460, 9584190, 19168380]

約数ペア:

[(1, 19168380), (2, 9584190), (3, 6389460), (4, 4792095), (5, 3833676), (6, 3194730), (7, 2738340), (9, 2129820), (10, 1916838), (11, 1742580), (12, 1597365), (14, 1369170), (15, 1277892), (18, 1064910), (20, 958419), (21, 912780), (22, 871290), (27, 709940), (28, 684585), (30, 638946), (33, 580860), (35, 547668), (36, 532455), (42, 456390), (44, 435645), (45, 425964), (54, 354970), (55, 348516), (60, 319473), (63, 304260), (66, 290430), (70, 273834), (77, 248940), (84, 228195), (90, 212982), (99, 193620), (105, 182556), (108, 177485), (110, 174258), (126, 152130), (132, 145215), (135, 141988), (140, 136917), (154, 124470), (165, 116172), (180, 106491), (189, 101420), (198, 96810), (210, 91278), (220, 87129), (231, 82980), (252, 76065), (270, 70994), (297, 64540), (308, 62235), (315, 60852), (330, 58086), (378, 50710), (385, 49788), (396, 48405), (420, 45639), (461, 41580), (462, 41490), (495, 38724), (540, 35497), (594, 32270), (630, 30426), (660, 29043), (693, 27660), (756, 25355), (770, 24894), (922, 20790), (924, 20745), (945, 20284), (990, 19362), (1155, 16596), (1188, 16135), (1260, 15213), (1383, 13860), (1386, 13830), (1485, 12908), (1540, 12447), (1844, 10395), (1890, 10142), (1980, 9681), (2079, 9220), (2305, 8316), (2310, 8298), (2766, 6930), (2772, 6915), (2970, 6454), (3227, 5940), (3465, 5532), (3780, 5071), (4149, 4620), (4158, 4610)]