19198400

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:119

約数の個数: 126

約数和(自身を含む): 51873912

約数和(自身を除く): 32675512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 71, 80, 100, 104, 130, 142, 160, 169, 200, 208, 260, 284, 320, 325, 338, 355, 400, 416, 520, 568, 650, 676, 710, 800, 832, 845, 923, 1040, 1136, 1300, 1352, 1420, 1600, 1690, 1775, 1846, 2080, 2272, 2600, 2704, 2840, 3380, 3550, 3692, 4160, 4225, 4544, 4615, 5200, 5408, 5680, 6760, 7100, 7384, 8450, 9230, 10400, 10816, 11360, 11999, 13520, 14200, 14768, 16900, 18460, 20800, 22720, 23075, 23998, 27040, 28400, 29536, 33800, 36920, 46150, 47996, 54080, 56800, 59072, 59995, 67600, 73840, 92300, 95992, 113600, 119990, 135200, 147680, 184600, 191984, 239980, 270400, 295360, 299975, 369200, 383968, 479960, 599950, 738400, 767936, 959920, 1199900, 1476800, 1919840, 2399800, 3839680, 4799600, 9599200, 19198400]

約数ペア:

[(1, 19198400), (2, 9599200), (4, 4799600), (5, 3839680), (8, 2399800), (10, 1919840), (13, 1476800), (16, 1199900), (20, 959920), (25, 767936), (26, 738400), (32, 599950), (40, 479960), (50, 383968), (52, 369200), (64, 299975), (65, 295360), (71, 270400), (80, 239980), (100, 191984), (104, 184600), (130, 147680), (142, 135200), (160, 119990), (169, 113600), (200, 95992), (208, 92300), (260, 73840), (284, 67600), (320, 59995), (325, 59072), (338, 56800), (355, 54080), (400, 47996), (416, 46150), (520, 36920), (568, 33800), (650, 29536), (676, 28400), (710, 27040), (800, 23998), (832, 23075), (845, 22720), (923, 20800), (1040, 18460), (1136, 16900), (1300, 14768), (1352, 14200), (1420, 13520), (1600, 11999), (1690, 11360), (1775, 10816), (1846, 10400), (2080, 9230), (2272, 8450), (2600, 7384), (2704, 7100), (2840, 6760), (3380, 5680), (3550, 5408), (3692, 5200), (4160, 4615), (4225, 4544)]