19993706

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{937}}^1$

素因数の和:1213

約数の個数: 16

約数和(自身を含む): 30796416

約数和(自身を除く): 10802710

約数列:

[1, 2, 47, 94, 227, 454, 937, 1874, 10669, 21338, 44039, 88078, 212699, 425398, 9996853, 19993706]

約数ペア:

[(1, 19993706), (2, 9996853), (47, 425398), (94, 212699), (227, 88078), (454, 44039), (937, 21338), (1874, 10669)]