19520086

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:759

約数の個数: 16

約数和(自身を含む): 29776320

約数和(自身を除く): 10256234

約数列:

[1, 2, 97, 194, 239, 421, 478, 842, 23183, 40837, 46366, 81674, 100619, 201238, 9760043, 19520086]

約数ペア:

[(1, 19520086), (2, 9760043), (97, 201238), (194, 100619), (239, 81674), (421, 46366), (478, 40837), (842, 23183)]