18181655

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2861}}^1$

素因数の和:2938

約数の個数: 16

約数和(自身を含む): 23079168

約数和(自身を除く): 4897513

約数列:

[1, 5, 31, 41, 155, 205, 1271, 2861, 6355, 14305, 88691, 117301, 443455, 586505, 3636331, 18181655]

約数ペア:

[(1, 18181655), (5, 3636331), (31, 586505), (41, 443455), (155, 117301), (205, 88691), (1271, 14305), (2861, 6355)]