19880458832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{845833}}^1$

素因数の和:845967

約数の個数: 40

約数和(自身を含む): 41848482984

約数和(自身を除く): 21968024152

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 113, 208, 226, 452, 904, 1469, 1808, 2938, 5876, 11752, 23504, 845833, 1691666, 3383332, 6766664, 10995829, 13533328, 21991658, 43983316, 87966632, 95579129, 175933264, 191158258, 382316516, 764633032, 1242528677, 1529266064, 2485057354, 4970114708, 9940229416, 19880458832]

約数ペア:

[(1, 19880458832), (2, 9940229416), (4, 4970114708), (8, 2485057354), (13, 1529266064), (16, 1242528677), (26, 764633032), (52, 382316516), (104, 191158258), (113, 175933264), (208, 95579129), (226, 87966632), (452, 43983316), (904, 21991658), (1469, 13533328), (1808, 10995829), (2938, 6766664), (5876, 3383332), (11752, 1691666), (23504, 845833)]