18945845

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{677}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 23675760

約数和(自身を除く): 4729915

約数列:

[1, 5, 29, 145, 193, 677, 965, 3385, 5597, 19633, 27985, 98165, 130661, 653305, 3789169, 18945845]

約数ペア:

[(1, 18945845), (5, 3789169), (29, 653305), (145, 130661), (193, 98165), (677, 27985), (965, 19633), (3385, 5597)]