19898170

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{17609}}^1$

素因数の和:17729

約数の個数: 16

約数和(自身を含む): 36135720

約数和(自身を除く): 16237550

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 17609, 35218, 88045, 176090, 1989817, 3979634, 9949085, 19898170]

約数ペア:

[(1, 19898170), (2, 9949085), (5, 3979634), (10, 1989817), (113, 176090), (226, 88045), (565, 35218), (1130, 17609)]