18678704

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{106129}}^1$

素因数の和:106148

約数の個数: 20

約数和(自身を含む): 39480360

約数和(自身を除く): 20801656

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 106129, 212258, 424516, 849032, 1167419, 1698064, 2334838, 4669676, 9339352, 18678704]

約数ペア:

[(1, 18678704), (2, 9339352), (4, 4669676), (8, 2334838), (11, 1698064), (16, 1167419), (22, 849032), (44, 424516), (88, 212258), (176, 106129)]