18691432

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137437}}^1$

素因数の和:137460

約数の個数: 16

約数和(自身を含む): 37108260

約数和(自身を除く): 18416828

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 137437, 274874, 549748, 1099496, 2336429, 4672858, 9345716, 18691432]

約数ペア:

[(1, 18691432), (2, 9345716), (4, 4672858), (8, 2336429), (17, 1099496), (34, 549748), (68, 274874), (136, 137437)]