19379817

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{3571}}^1$

素因数の和:3650

約数の個数: 20

約数和(自身を含む): 29390416

約数和(自身を除く): 10010599

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 3571, 5427, 10713, 32139, 96417, 239257, 289251, 717771, 2153313, 6459939, 19379817]

約数ペア:

[(1, 19379817), (3, 6459939), (9, 2153313), (27, 717771), (67, 289251), (81, 239257), (201, 96417), (603, 32139), (1809, 10713), (3571, 5427)]