18280442

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:230

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 11268358

約数列:

[1, 2, 37, 53, 59, 74, 79, 106, 118, 158, 1961, 2183, 2923, 3127, 3922, 4187, 4366, 4661, 5846, 6254, 8374, 9322, 115699, 154919, 172457, 231398, 247033, 309838, 344914, 494066, 9140221, 18280442]

約数ペア:

[(1, 18280442), (2, 9140221), (37, 494066), (53, 344914), (59, 309838), (74, 247033), (79, 231398), (106, 172457), (118, 154919), (158, 115699), (1961, 9322), (2183, 8374), (2923, 6254), (3127, 5846), (3922, 4661), (4187, 4366)]