19968156770

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68855713}}^1$

素因数の和:68855749

約数の個数: 16

約数和(自身を含む): 37182085560

約数和(自身を除く): 17213928790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 68855713, 137711426, 344278565, 688557130, 1996815677, 3993631354, 9984078385, 19968156770]

約数ペア:

[(1, 19968156770), (2, 9984078385), (5, 3993631354), (10, 1996815677), (29, 688557130), (58, 344278565), (145, 137711426), (290, 68855713)]