18679765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3229}}^1$

素因数の和:3336

約数の個数: 16

約数和(自身を含む): 24418800

約数和(自身を除く): 5739035

約数列:

[1, 5, 13, 65, 89, 445, 1157, 3229, 5785, 16145, 41977, 209885, 287381, 1436905, 3735953, 18679765]

約数ペア:

[(1, 18679765), (5, 3735953), (13, 1436905), (65, 287381), (89, 209885), (445, 41977), (1157, 16145), (3229, 5785)]