19754902

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{821}}^1$

素因数の和:1103

約数の個数: 16

約数和(自身を含む): 30361392

約数和(自身を除く): 10606490

約数列:

[1, 2, 53, 106, 227, 454, 821, 1642, 12031, 24062, 43513, 87026, 186367, 372734, 9877451, 19754902]

約数ペア:

[(1, 19754902), (2, 9877451), (53, 372734), (106, 186367), (227, 87026), (454, 43513), (821, 24062), (1642, 12031)]