19876315

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1187}}^1$

素因数の和:1406

約数の個数: 16

約数和(自身を含む): 25404192

約数和(自身を除く): 5527877

約数列:

[1, 5, 17, 85, 197, 985, 1187, 3349, 5935, 16745, 20179, 100895, 233839, 1169195, 3975263, 19876315]

約数ペア:

[(1, 19876315), (5, 3975263), (17, 1169195), (85, 233839), (197, 100895), (985, 20179), (1187, 16745), (3349, 5935)]