18172528

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1307}}^1$

素因数の和:1405

約数の個数: 40

約数和(自身を含む): 38926080

約数和(自身を除く): 20753552

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 158, 176, 316, 632, 869, 1264, 1307, 1738, 2614, 3476, 5228, 6952, 10456, 13904, 14377, 20912, 28754, 57508, 103253, 115016, 206506, 230032, 413012, 826024, 1135783, 1652048, 2271566, 4543132, 9086264, 18172528]

約数ペア:

[(1, 18172528), (2, 9086264), (4, 4543132), (8, 2271566), (11, 1652048), (16, 1135783), (22, 826024), (44, 413012), (79, 230032), (88, 206506), (158, 115016), (176, 103253), (316, 57508), (632, 28754), (869, 20912), (1264, 14377), (1307, 13904), (1738, 10456), (2614, 6952), (3476, 5228)]