19742185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{8009}}^1$

素因数の和:8060

約数の個数: 16

約数和(自身を含む): 25952400

約数和(自身を除く): 6210215

約数列:

[1, 5, 17, 29, 85, 145, 493, 2465, 8009, 40045, 136153, 232261, 680765, 1161305, 3948437, 19742185]

約数ペア:

[(1, 19742185), (5, 3948437), (17, 1161305), (29, 680765), (85, 232261), (145, 136153), (493, 40045), (2465, 8009)]