18974195

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1187}}^1$

素因数の和:1354

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 4975885

約数列:

[1, 5, 23, 115, 139, 695, 1187, 3197, 5935, 15985, 27301, 136505, 164993, 824965, 3794839, 18974195]

約数ペア:

[(1, 18974195), (5, 3794839), (23, 824965), (115, 164993), (139, 136505), (695, 27301), (1187, 15985), (3197, 5935)]