18137955

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2971}}^1$

素因数の和:3027

約数の個数: 32

約数和(自身を含む): 32525568

約数和(自身を除く): 14387613

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 185, 407, 555, 1221, 2035, 2971, 6105, 8913, 14855, 32681, 44565, 98043, 109927, 163405, 329781, 490215, 549635, 1209197, 1648905, 3627591, 6045985, 18137955]

約数ペア:

[(1, 18137955), (3, 6045985), (5, 3627591), (11, 1648905), (15, 1209197), (33, 549635), (37, 490215), (55, 329781), (111, 163405), (165, 109927), (185, 98043), (407, 44565), (555, 32681), (1221, 14855), (2035, 8913), (2971, 6105)]