18687760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:201

約数の個数: 160

約数和(自身を含む): 56996352

約数和(自身を除く): 38308592

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 80, 85, 91, 104, 112, 119, 130, 136, 140, 151, 170, 182, 208, 221, 238, 260, 272, 280, 302, 340, 364, 442, 455, 476, 520, 560, 595, 604, 680, 728, 755, 884, 910, 952, 1040, 1057, 1105, 1190, 1208, 1360, 1456, 1510, 1547, 1768, 1820, 1904, 1963, 2114, 2210, 2380, 2416, 2567, 3020, 3094, 3536, 3640, 3926, 4228, 4420, 4760, 5134, 5285, 6040, 6188, 7280, 7735, 7852, 8456, 8840, 9520, 9815, 10268, 10570, 12080, 12376, 12835, 13741, 15470, 15704, 16912, 17680, 17969, 19630, 20536, 21140, 24752, 25670, 27482, 30940, 31408, 33371, 35938, 39260, 41072, 42280, 51340, 54964, 61880, 66742, 68705, 71876, 78520, 84560, 89845, 102680, 109928, 123760, 133484, 137410, 143752, 157040, 166855, 179690, 205360, 219856, 233597, 266968, 274820, 287504, 333710, 359380, 467194, 533936, 549640, 667420, 718760, 934388, 1099280, 1167985, 1334840, 1437520, 1868776, 2335970, 2669680, 3737552, 4671940, 9343880, 18687760]

約数ペア:

[(1, 18687760), (2, 9343880), (4, 4671940), (5, 3737552), (7, 2669680), (8, 2335970), (10, 1868776), (13, 1437520), (14, 1334840), (16, 1167985), (17, 1099280), (20, 934388), (26, 718760), (28, 667420), (34, 549640), (35, 533936), (40, 467194), (52, 359380), (56, 333710), (65, 287504), (68, 274820), (70, 266968), (80, 233597), (85, 219856), (91, 205360), (104, 179690), (112, 166855), (119, 157040), (130, 143752), (136, 137410), (140, 133484), (151, 123760), (170, 109928), (182, 102680), (208, 89845), (221, 84560), (238, 78520), (260, 71876), (272, 68705), (280, 66742), (302, 61880), (340, 54964), (364, 51340), (442, 42280), (455, 41072), (476, 39260), (520, 35938), (560, 33371), (595, 31408), (604, 30940), (680, 27482), (728, 25670), (755, 24752), (884, 21140), (910, 20536), (952, 19630), (1040, 17969), (1057, 17680), (1105, 16912), (1190, 15704), (1208, 15470), (1360, 13741), (1456, 12835), (1510, 12376), (1547, 12080), (1768, 10570), (1820, 10268), (1904, 9815), (1963, 9520), (2114, 8840), (2210, 8456), (2380, 7852), (2416, 7735), (2567, 7280), (3020, 6188), (3094, 6040), (3536, 5285), (3640, 5134), (3926, 4760), (4228, 4420)]