12940528

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{21859}}^1$

素因数の和:21904

約数の個数: 20

約数和(自身を含む): 25751080

約数和(自身を除く): 12810552

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 21859, 43718, 87436, 174872, 349744, 808783, 1617566, 3235132, 6470264, 12940528]

約数ペア:

[(1, 12940528), (2, 6470264), (4, 3235132), (8, 1617566), (16, 808783), (37, 349744), (74, 174872), (148, 87436), (296, 43718), (592, 21859)]