19884480

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1$

素因数の和:307

約数の個数: 224

約数和(自身を含む): 79004160

約数和(自身を除く): 59119680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 264, 269, 280, 308, 320, 330, 336, 352, 385, 420, 440, 448, 462, 480, 528, 538, 560, 616, 660, 672, 704, 770, 807, 840, 880, 924, 960, 1056, 1076, 1120, 1155, 1232, 1320, 1344, 1345, 1540, 1614, 1680, 1760, 1848, 1883, 2112, 2152, 2240, 2310, 2464, 2640, 2690, 2959, 3080, 3228, 3360, 3520, 3696, 3766, 4035, 4304, 4620, 4928, 5280, 5380, 5649, 5918, 6160, 6456, 6720, 7392, 7532, 8070, 8608, 8877, 9240, 9415, 10560, 10760, 11298, 11836, 12320, 12912, 14784, 14795, 15064, 16140, 17216, 17754, 18480, 18830, 20713, 21520, 22596, 23672, 24640, 25824, 28245, 29590, 30128, 32280, 35508, 36960, 37660, 41426, 43040, 44385, 45192, 47344, 51648, 56490, 59180, 60256, 62139, 64560, 71016, 73920, 75320, 82852, 86080, 88770, 90384, 94688, 103565, 112980, 118360, 120512, 124278, 129120, 142032, 150640, 165704, 177540, 180768, 189376, 207130, 225960, 236720, 248556, 258240, 284064, 301280, 310695, 331408, 355080, 361536, 414260, 451920, 473440, 497112, 568128, 602560, 621390, 662816, 710160, 828520, 903840, 946880, 994224, 1242780, 1325632, 1420320, 1657040, 1807680, 1988448, 2485560, 2840640, 3314080, 3976896, 4971120, 6628160, 9942240, 19884480]

約数ペア:

[(1, 19884480), (2, 9942240), (3, 6628160), (4, 4971120), (5, 3976896), (6, 3314080), (7, 2840640), (8, 2485560), (10, 1988448), (11, 1807680), (12, 1657040), (14, 1420320), (15, 1325632), (16, 1242780), (20, 994224), (21, 946880), (22, 903840), (24, 828520), (28, 710160), (30, 662816), (32, 621390), (33, 602560), (35, 568128), (40, 497112), (42, 473440), (44, 451920), (48, 414260), (55, 361536), (56, 355080), (60, 331408), (64, 310695), (66, 301280), (70, 284064), (77, 258240), (80, 248556), (84, 236720), (88, 225960), (96, 207130), (105, 189376), (110, 180768), (112, 177540), (120, 165704), (132, 150640), (140, 142032), (154, 129120), (160, 124278), (165, 120512), (168, 118360), (176, 112980), (192, 103565), (210, 94688), (220, 90384), (224, 88770), (231, 86080), (240, 82852), (264, 75320), (269, 73920), (280, 71016), (308, 64560), (320, 62139), (330, 60256), (336, 59180), (352, 56490), (385, 51648), (420, 47344), (440, 45192), (448, 44385), (462, 43040), (480, 41426), (528, 37660), (538, 36960), (560, 35508), (616, 32280), (660, 30128), (672, 29590), (704, 28245), (770, 25824), (807, 24640), (840, 23672), (880, 22596), (924, 21520), (960, 20713), (1056, 18830), (1076, 18480), (1120, 17754), (1155, 17216), (1232, 16140), (1320, 15064), (1344, 14795), (1345, 14784), (1540, 12912), (1614, 12320), (1680, 11836), (1760, 11298), (1848, 10760), (1883, 10560), (2112, 9415), (2152, 9240), (2240, 8877), (2310, 8608), (2464, 8070), (2640, 7532), (2690, 7392), (2959, 6720), (3080, 6456), (3228, 6160), (3360, 5918), (3520, 5649), (3696, 5380), (3766, 5280), (4035, 4928), (4304, 4620)]