19725362

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4481}}^1$

素因数の和:4585

約数の個数: 16

約数和(自身を含む): 30979584

約数和(自身を除く): 11254222

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 4481, 8962, 138911, 277822, 318151, 636302, 9862681, 19725362]

約数ペア:

[(1, 19725362), (2, 9862681), (31, 636302), (62, 318151), (71, 277822), (142, 138911), (2201, 8962), (4402, 4481)]