18657204962

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1\times {\mathrm{23087}}^1$

素因数の和:23546

約数の個数: 32

約数和(自身を含む): 30902826240

約数和(自身を除く): 12245621278

約数列:

[1, 2, 11, 22, 109, 218, 337, 674, 1199, 2398, 3707, 7414, 23087, 36733, 46174, 73466, 253957, 404063, 507914, 808126, 2516483, 5032966, 7780319, 15560638, 27681313, 55362626, 85583509, 171167018, 848054771, 1696109542, 9328602481, 18657204962]

約数ペア:

[(1, 18657204962), (2, 9328602481), (11, 1696109542), (22, 848054771), (109, 171167018), (218, 85583509), (337, 55362626), (674, 27681313), (1199, 15560638), (2398, 7780319), (3707, 5032966), (7414, 2516483), (23087, 808126), (36733, 507914), (46174, 404063), (73466, 253957)]