19717497

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1721}}^1$

素因数の和:1813

約数の個数: 24

約数和(自身を含む): 30444960

約数和(自身を除く): 10727463

約数列:

[1, 3, 9, 19, 57, 67, 171, 201, 603, 1273, 1721, 3819, 5163, 11457, 15489, 32699, 98097, 115307, 294291, 345921, 1037763, 2190833, 6572499, 19717497]

約数ペア:

[(1, 19717497), (3, 6572499), (9, 2190833), (19, 1037763), (57, 345921), (67, 294291), (171, 115307), (201, 98097), (603, 32699), (1273, 15489), (1721, 11457), (3819, 5163)]