19717594

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8521}}^1$

素因数の和:8625

約数の個数: 16

約数和(自身を含む): 32213160

約数和(自身を除く): 12495566

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 8521, 17042, 110773, 221546, 758369, 1516738, 9858797, 19717594]

約数ペア:

[(1, 19717594), (2, 9858797), (13, 1516738), (26, 758369), (89, 221546), (178, 110773), (1157, 17042), (2314, 8521)]