18505630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12941}}^1$

素因数の和:12972

約数の個数: 32

約数和(自身を含む): 39136608

約数和(自身を除く): 20630978

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 12941, 25882, 64705, 129410, 142351, 168233, 284702, 336466, 711755, 841165, 1423510, 1682330, 1850563, 3701126, 9252815, 18505630]

約数ペア:

[(1, 18505630), (2, 9252815), (5, 3701126), (10, 1850563), (11, 1682330), (13, 1423510), (22, 841165), (26, 711755), (55, 336466), (65, 284702), (110, 168233), (130, 142351), (143, 129410), (286, 64705), (715, 25882), (1430, 12941)]