19282640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18541}}^1$

素因数の和:18567

約数の個数: 40

約数和(自身を含む): 48283368

約数和(自身を除く): 29000728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 18541, 37082, 74164, 92705, 148328, 185410, 241033, 296656, 370820, 482066, 741640, 964132, 1205165, 1483280, 1928264, 2410330, 3856528, 4820660, 9641320, 19282640]

約数ペア:

[(1, 19282640), (2, 9641320), (4, 4820660), (5, 3856528), (8, 2410330), (10, 1928264), (13, 1483280), (16, 1205165), (20, 964132), (26, 741640), (40, 482066), (52, 370820), (65, 296656), (80, 241033), (104, 185410), (130, 148328), (208, 92705), (260, 74164), (520, 37082), (1040, 18541)]