19419494

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{839}}^1$

素因数の和:1075

約数の個数: 16

約数和(自身を含む): 29756160

約数和(自身を除く): 10336666

約数列:

[1, 2, 71, 142, 163, 326, 839, 1678, 11573, 23146, 59569, 119138, 136757, 273514, 9709747, 19419494]

約数ペア:

[(1, 19419494), (2, 9709747), (71, 273514), (142, 136757), (163, 119138), (326, 59569), (839, 23146), (1678, 11573)]