18249286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 31021056

約数和(自身を除く): 12771770

約数列:

[1, 2, 11, 22, 43, 86, 101, 191, 202, 382, 473, 946, 1111, 2101, 2222, 4202, 4343, 8213, 8686, 16426, 19291, 38582, 47773, 90343, 95546, 180686, 212201, 424402, 829513, 1659026, 9124643, 18249286]

約数ペア:

[(1, 18249286), (2, 9124643), (11, 1659026), (22, 829513), (43, 424402), (86, 212201), (101, 180686), (191, 95546), (202, 90343), (382, 47773), (473, 38582), (946, 19291), (1111, 16426), (2101, 8686), (2222, 8213), (4202, 4343)]