18634352

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{443}}^1$

素因数の和:701

約数の個数: 40

約数和(自身を含む): 39640320

約数和(自身を除く): 21005968

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 239, 443, 478, 886, 956, 1772, 1912, 2629, 3544, 3824, 4873, 5258, 7088, 9746, 10516, 19492, 21032, 38984, 42064, 77968, 105877, 211754, 423508, 847016, 1164647, 1694032, 2329294, 4658588, 9317176, 18634352]

約数ペア:

[(1, 18634352), (2, 9317176), (4, 4658588), (8, 2329294), (11, 1694032), (16, 1164647), (22, 847016), (44, 423508), (88, 211754), (176, 105877), (239, 77968), (443, 42064), (478, 38984), (886, 21032), (956, 19492), (1772, 10516), (1912, 9746), (2629, 7088), (3544, 5258), (3824, 4873)]