18228620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{29401}}^1$

素因数の和:29441

約数の個数: 24

約数和(自身を含む): 39516288

約数和(自身を除く): 21287668

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 29401, 58802, 117604, 147005, 294010, 588020, 911431, 1822862, 3645724, 4557155, 9114310, 18228620]

約数ペア:

[(1, 18228620), (2, 9114310), (4, 4557155), (5, 3645724), (10, 1822862), (20, 911431), (31, 588020), (62, 294010), (124, 147005), (155, 117604), (310, 58802), (620, 29401)]