15690190

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19861}}^1$

素因数の和:19947

約数の個数: 16

約数和(自身を含む): 28601280

約数和(自身を除く): 12911090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 19861, 39722, 99305, 198610, 1569019, 3138038, 7845095, 15690190]

約数ペア:

[(1, 15690190), (2, 7845095), (5, 3138038), (10, 1569019), (79, 198610), (158, 99305), (395, 39722), (790, 19861)]