18831740

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{3907}}^1$

素因数の和:4157

約数の個数: 24

約数和(自身を含む): 39720912

約数和(自身を除く): 20889172

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 3907, 4820, 7814, 15628, 19535, 39070, 78140, 941587, 1883174, 3766348, 4707935, 9415870, 18831740]

約数ペア:

[(1, 18831740), (2, 9415870), (4, 4707935), (5, 3766348), (10, 1883174), (20, 941587), (241, 78140), (482, 39070), (964, 19535), (1205, 15628), (2410, 7814), (3907, 4820)]