18429904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67757}}^1$

素因数の和:67782

約数の個数: 20

約数和(自身を含む): 37808964

約数和(自身を除く): 19379060

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 67757, 135514, 271028, 542056, 1084112, 1151869, 2303738, 4607476, 9214952, 18429904]

約数ペア:

[(1, 18429904), (2, 9214952), (4, 4607476), (8, 2303738), (16, 1151869), (17, 1084112), (34, 542056), (68, 271028), (136, 135514), (272, 67757)]