18387472

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67601}}^1$

素因数の和:67626

約数の個数: 20

約数和(自身を含む): 37721916

約数和(自身を除く): 19334444

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 67601, 135202, 270404, 540808, 1081616, 1149217, 2298434, 4596868, 9193736, 18387472]

約数ペア:

[(1, 18387472), (2, 9193736), (4, 4596868), (8, 2298434), (16, 1149217), (17, 1081616), (34, 540808), (68, 270404), (136, 135202), (272, 67601)]