19418074

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 32489856

約数和(自身を除く): 13071782

約数列:

[1, 2, 13, 26, 67, 71, 134, 142, 157, 314, 871, 923, 1742, 1846, 2041, 4082, 4757, 9514, 10519, 11147, 21038, 22294, 61841, 123682, 136747, 144911, 273494, 289822, 746849, 1493698, 9709037, 19418074]

約数ペア:

[(1, 19418074), (2, 9709037), (13, 1493698), (26, 746849), (67, 289822), (71, 273494), (134, 144911), (142, 136747), (157, 123682), (314, 61841), (871, 22294), (923, 21038), (1742, 11147), (1846, 10519), (2041, 9514), (4082, 4757)]