18768409

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1009}}^1$

素因数の和:1128

約数の個数: 16

約数和(自身を含む): 21816000

約数和(自身を除く): 3047591

約数列:

[1, 11, 19, 89, 209, 979, 1009, 1691, 11099, 18601, 19171, 89801, 210881, 987811, 1706219, 18768409]

約数ペア:

[(1, 18768409), (11, 1706219), (19, 987811), (89, 210881), (209, 89801), (979, 19171), (1009, 18601), (1691, 11099)]