18218536

素因数分解:

$2^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1237}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 39219840

約数和(自身を除く): 21001304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 263, 526, 1052, 1237, 1841, 2104, 2474, 3682, 4948, 7364, 8659, 9896, 14728, 17318, 34636, 69272, 325331, 650662, 1301324, 2277317, 2602648, 4554634, 9109268, 18218536]

約数ペア:

[(1, 18218536), (2, 9109268), (4, 4554634), (7, 2602648), (8, 2277317), (14, 1301324), (28, 650662), (56, 325331), (263, 69272), (526, 34636), (1052, 17318), (1237, 14728), (1841, 9896), (2104, 8659), (2474, 7364), (3682, 4948)]