18211554

素因数分解:

$2^1\times 3^4\times {\mathrm{79}}^1\times {\mathrm{1423}}^1$

素因数の和:1516

約数の個数: 40

約数和(自身を含む): 41352960

約数和(自身を除く): 23141406

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 81, 158, 162, 237, 474, 711, 1422, 1423, 2133, 2846, 4266, 4269, 6399, 8538, 12798, 12807, 25614, 38421, 76842, 112417, 115263, 224834, 230526, 337251, 674502, 1011753, 2023506, 3035259, 6070518, 9105777, 18211554]

約数ペア:

[(1, 18211554), (2, 9105777), (3, 6070518), (6, 3035259), (9, 2023506), (18, 1011753), (27, 674502), (54, 337251), (79, 230526), (81, 224834), (158, 115263), (162, 112417), (237, 76842), (474, 38421), (711, 25614), (1422, 12807), (1423, 12798), (2133, 8538), (2846, 6399), (4266, 4269)]