18967936

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11399}}^1$

素因数の和:11426

約数の個数: 32

約数和(自身を含む): 40698000

約数和(自身を除く): 21730064

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11399, 22798, 45596, 91192, 148187, 182384, 296374, 364768, 592748, 729536, 1185496, 1459072, 2370992, 4741984, 9483968, 18967936]

約数ペア:

[(1, 18967936), (2, 9483968), (4, 4741984), (8, 2370992), (13, 1459072), (16, 1185496), (26, 729536), (32, 592748), (52, 364768), (64, 296374), (104, 182384), (128, 148187), (208, 91192), (416, 45596), (832, 22798), (1664, 11399)]