18317559

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 27596800

約数和(自身を除く): 9279241

約数列:

[1, 3, 13, 31, 39, 93, 109, 139, 327, 403, 417, 1209, 1417, 1807, 3379, 4251, 4309, 5421, 10137, 12927, 15151, 43927, 45453, 56017, 131781, 168051, 196963, 469681, 590889, 1409043, 6105853, 18317559]

約数ペア:

[(1, 18317559), (3, 6105853), (13, 1409043), (31, 590889), (39, 469681), (93, 196963), (109, 168051), (139, 131781), (327, 56017), (403, 45453), (417, 43927), (1209, 15151), (1417, 12927), (1807, 10137), (3379, 5421), (4251, 4309)]