18918416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6323}}^1$

素因数の和:6359

約数の個数: 40

約数和(自身を含む): 42345504

約数和(自身を除く): 23427088

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 6323, 12646, 25292, 50584, 69553, 101168, 107491, 139106, 214982, 278212, 429964, 556424, 859928, 1112848, 1182401, 1719856, 2364802, 4729604, 9459208, 18918416]

約数ペア:

[(1, 18918416), (2, 9459208), (4, 4729604), (8, 2364802), (11, 1719856), (16, 1182401), (17, 1112848), (22, 859928), (34, 556424), (44, 429964), (68, 278212), (88, 214982), (136, 139106), (176, 107491), (187, 101168), (272, 69553), (374, 50584), (748, 25292), (1496, 12646), (2992, 6323)]