18042620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{29101}}^1$

素因数の和:29141

約数の個数: 24

約数和(自身を含む): 39113088

約数和(自身を除く): 21070468

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 29101, 58202, 116404, 145505, 291010, 582020, 902131, 1804262, 3608524, 4510655, 9021310, 18042620]

約数ペア:

[(1, 18042620), (2, 9021310), (4, 4510655), (5, 3608524), (10, 1804262), (20, 902131), (31, 582020), (62, 291010), (124, 145505), (155, 116404), (310, 58202), (620, 29101)]