18421336

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7129}}^1$

素因数の和:7171

約数の個数: 32

約数和(自身を含む): 38502000

約数和(自身を除く): 20080664

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7129, 14258, 28516, 57032, 121193, 135451, 242386, 270902, 484772, 541804, 969544, 1083608, 2302667, 4605334, 9210668, 18421336]

約数ペア:

[(1, 18421336), (2, 9210668), (4, 4605334), (8, 2302667), (17, 1083608), (19, 969544), (34, 541804), (38, 484772), (68, 270902), (76, 242386), (136, 135451), (152, 121193), (323, 57032), (646, 28516), (1292, 14258), (2584, 7129)]