18387856

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1723}}^1$

素因数の和:1783

約数の個数: 40

約数和(自身を含む): 38479680

約数和(自身を除く): 20091824

約数列:

[1, 2, 4, 8, 16, 23, 29, 46, 58, 92, 116, 184, 232, 368, 464, 667, 1334, 1723, 2668, 3446, 5336, 6892, 10672, 13784, 27568, 39629, 49967, 79258, 99934, 158516, 199868, 317032, 399736, 634064, 799472, 1149241, 2298482, 4596964, 9193928, 18387856]

約数ペア:

[(1, 18387856), (2, 9193928), (4, 4596964), (8, 2298482), (16, 1149241), (23, 799472), (29, 634064), (46, 399736), (58, 317032), (92, 199868), (116, 158516), (184, 99934), (232, 79258), (368, 49967), (464, 39629), (667, 27568), (1334, 13784), (1723, 10672), (2668, 6892), (3446, 5336)]