18509810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{881}}^1$

素因数の和:1090

約数の個数: 32

約数和(自身を含む): 36578304

約数和(自身を除く): 18068494

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191, 382, 881, 955, 1762, 1910, 2101, 4202, 4405, 8810, 9691, 10505, 19382, 21010, 48455, 96910, 168271, 336542, 841355, 1682710, 1850981, 3701962, 9254905, 18509810]

約数ペア:

[(1, 18509810), (2, 9254905), (5, 3701962), (10, 1850981), (11, 1682710), (22, 841355), (55, 336542), (110, 168271), (191, 96910), (382, 48455), (881, 21010), (955, 19382), (1762, 10505), (1910, 9691), (2101, 8810), (4202, 4405)]