19759480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 50068800

約数和(自身を除く): 30309320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 79, 104, 130, 148, 158, 169, 185, 260, 296, 316, 338, 370, 395, 481, 520, 632, 676, 740, 790, 845, 962, 1027, 1352, 1480, 1580, 1690, 1924, 2054, 2405, 2923, 3160, 3380, 3848, 4108, 4810, 5135, 5846, 6253, 6760, 8216, 9620, 10270, 11692, 12506, 13351, 14615, 19240, 20540, 23384, 25012, 26702, 29230, 31265, 37999, 41080, 50024, 53404, 58460, 62530, 66755, 75998, 106808, 116920, 125060, 133510, 151996, 189995, 250120, 267020, 303992, 379990, 493987, 534040, 759980, 987974, 1519960, 1975948, 2469935, 3951896, 4939870, 9879740, 19759480]

約数ペア:

[(1, 19759480), (2, 9879740), (4, 4939870), (5, 3951896), (8, 2469935), (10, 1975948), (13, 1519960), (20, 987974), (26, 759980), (37, 534040), (40, 493987), (52, 379990), (65, 303992), (74, 267020), (79, 250120), (104, 189995), (130, 151996), (148, 133510), (158, 125060), (169, 116920), (185, 106808), (260, 75998), (296, 66755), (316, 62530), (338, 58460), (370, 53404), (395, 50024), (481, 41080), (520, 37999), (632, 31265), (676, 29230), (740, 26702), (790, 25012), (845, 23384), (962, 20540), (1027, 19240), (1352, 14615), (1480, 13351), (1580, 12506), (1690, 11692), (1924, 10270), (2054, 9620), (2405, 8216), (2923, 6760), (3160, 6253), (3380, 5846), (3848, 5135), (4108, 4810)]