19950245

素因数分解:

$5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{881}}^1$

素因数の和:1540

約数の個数: 16

約数和(自身を含む): 27433728

約数和(自身を除く): 7483483

約数列:

[1, 5, 7, 35, 647, 881, 3235, 4405, 4529, 6167, 22645, 30835, 570007, 2850035, 3990049, 19950245]

約数ペア:

[(1, 19950245), (5, 3990049), (7, 2850035), (35, 570007), (647, 30835), (881, 22645), (3235, 6167), (4405, 4529)]