19958402

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{2141}}^1$

素因数の和:2281

約数の個数: 16

約数和(自身を含む): 30844800

約数和(自身を除く): 10886398

約数列:

[1, 2, 59, 79, 118, 158, 2141, 4282, 4661, 9322, 126319, 169139, 252638, 338278, 9979201, 19958402]

約数ペア:

[(1, 19958402), (2, 9979201), (59, 338278), (79, 252638), (118, 169139), (158, 126319), (2141, 9322), (4282, 4661)]