18240215

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9833}}^1$

素因数の和:9898

約数の個数: 16

約数和(自身を含む): 25489728

約数和(自身を除く): 7249513

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 9833, 49165, 68831, 344155, 521149, 2605745, 3648043, 18240215]

約数ペア:

[(1, 18240215), (5, 3648043), (7, 2605745), (35, 521149), (53, 344155), (265, 68831), (371, 49165), (1855, 9833)]