19945902

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{54497}}^1$

素因数の和:54563

約数の個数: 16

約数和(自身を含む): 40546512

約数和(自身を除く): 20600610

約数列:

[1, 2, 3, 6, 61, 122, 183, 366, 54497, 108994, 163491, 326982, 3324317, 6648634, 9972951, 19945902]

約数ペア:

[(1, 19945902), (2, 9972951), (3, 6648634), (6, 3324317), (61, 326982), (122, 163491), (183, 108994), (366, 54497)]