18240904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3911}}^1$

素因数の和:3981

約数の個数: 32

約数和(自身を含む): 38024640

約数和(自身を除く): 19783736

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 212, 424, 583, 1166, 2332, 3911, 4664, 7822, 15644, 31288, 43021, 86042, 172084, 207283, 344168, 414566, 829132, 1658264, 2280113, 4560226, 9120452, 18240904]

約数ペア:

[(1, 18240904), (2, 9120452), (4, 4560226), (8, 2280113), (11, 1658264), (22, 829132), (44, 414566), (53, 344168), (88, 207283), (106, 172084), (212, 86042), (424, 43021), (583, 31288), (1166, 15644), (2332, 7822), (3911, 4664)]