18997242

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 42287616

約数和(自身を除く): 23290374

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 137, 191, 242, 274, 363, 382, 411, 573, 726, 822, 1146, 1507, 2101, 3014, 4202, 4521, 6303, 9042, 12606, 16577, 23111, 26167, 33154, 46222, 49731, 52334, 69333, 78501, 99462, 138666, 157002, 287837, 575674, 863511, 1727022, 3166207, 6332414, 9498621, 18997242]

約数ペア:

[(1, 18997242), (2, 9498621), (3, 6332414), (6, 3166207), (11, 1727022), (22, 863511), (33, 575674), (66, 287837), (121, 157002), (137, 138666), (191, 99462), (242, 78501), (274, 69333), (363, 52334), (382, 49731), (411, 46222), (573, 33154), (726, 26167), (822, 23111), (1146, 16577), (1507, 12606), (2101, 9042), (3014, 6303), (4202, 4521)]