18709730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3347}}^1$

素因数の和:3410

約数の個数: 32

約数和(自身を含む): 37122624

約数和(自身を除く): 18412894

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 3347, 5590, 6694, 16735, 33470, 43511, 87022, 143921, 217555, 287842, 435110, 719605, 1439210, 1870973, 3741946, 9354865, 18709730]

約数ペア:

[(1, 18709730), (2, 9354865), (5, 3741946), (10, 1870973), (13, 1439210), (26, 719605), (43, 435110), (65, 287842), (86, 217555), (130, 143921), (215, 87022), (430, 43511), (559, 33470), (1118, 16735), (2795, 6694), (3347, 5590)]