18663634

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 31711680

約数和(自身を除く): 13048046

約数列:

[1, 2, 11, 22, 43, 86, 109, 181, 218, 362, 473, 946, 1199, 1991, 2398, 3982, 4687, 7783, 9374, 15566, 19729, 39458, 51557, 85613, 103114, 171226, 217019, 434038, 848347, 1696694, 9331817, 18663634]

約数ペア:

[(1, 18663634), (2, 9331817), (11, 1696694), (22, 848347), (43, 434038), (86, 217019), (109, 171226), (181, 103114), (218, 85613), (362, 51557), (473, 39458), (946, 19729), (1199, 15566), (1991, 9374), (2398, 7783), (3982, 4687)]