18428344

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3433}}^1$

素因数の和:3511

約数の個数: 32

約数和(自身を含む): 38323440

約数和(自身を除く): 19895096

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3433, 5368, 6866, 13732, 27464, 37763, 75526, 151052, 209413, 302104, 418826, 837652, 1675304, 2303543, 4607086, 9214172, 18428344]

約数ペア:

[(1, 18428344), (2, 9214172), (4, 4607086), (8, 2303543), (11, 1675304), (22, 837652), (44, 418826), (61, 302104), (88, 209413), (122, 151052), (244, 75526), (488, 37763), (671, 27464), (1342, 13732), (2684, 6866), (3433, 5368)]