19028360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:127

約数の個数: 128

約数和(自身を含む): 50561280

約数和(自身を除く): 31532920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 37, 40, 43, 46, 52, 65, 74, 86, 92, 104, 115, 130, 148, 172, 184, 185, 215, 230, 260, 296, 299, 344, 370, 430, 460, 481, 520, 559, 598, 740, 851, 860, 920, 962, 989, 1118, 1196, 1480, 1495, 1591, 1702, 1720, 1924, 1978, 2236, 2392, 2405, 2795, 2990, 3182, 3404, 3848, 3956, 4255, 4472, 4810, 4945, 5590, 5980, 6364, 6808, 7912, 7955, 8510, 9620, 9890, 11063, 11180, 11960, 12728, 12857, 15910, 17020, 19240, 19780, 20683, 22126, 22360, 25714, 31820, 34040, 36593, 39560, 41366, 44252, 51428, 55315, 63640, 64285, 73186, 82732, 88504, 102856, 103415, 110630, 128570, 146372, 165464, 182965, 206830, 221260, 257140, 292744, 365930, 413660, 442520, 475709, 514280, 731860, 827320, 951418, 1463720, 1902836, 2378545, 3805672, 4757090, 9514180, 19028360]

約数ペア:

[(1, 19028360), (2, 9514180), (4, 4757090), (5, 3805672), (8, 2378545), (10, 1902836), (13, 1463720), (20, 951418), (23, 827320), (26, 731860), (37, 514280), (40, 475709), (43, 442520), (46, 413660), (52, 365930), (65, 292744), (74, 257140), (86, 221260), (92, 206830), (104, 182965), (115, 165464), (130, 146372), (148, 128570), (172, 110630), (184, 103415), (185, 102856), (215, 88504), (230, 82732), (260, 73186), (296, 64285), (299, 63640), (344, 55315), (370, 51428), (430, 44252), (460, 41366), (481, 39560), (520, 36593), (559, 34040), (598, 31820), (740, 25714), (851, 22360), (860, 22126), (920, 20683), (962, 19780), (989, 19240), (1118, 17020), (1196, 15910), (1480, 12857), (1495, 12728), (1591, 11960), (1702, 11180), (1720, 11063), (1924, 9890), (1978, 9620), (2236, 8510), (2392, 7955), (2405, 7912), (2795, 6808), (2990, 6364), (3182, 5980), (3404, 5590), (3848, 4945), (3956, 4810), (4255, 4472)]