19817585

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1409}}^1$

素因数の和:1540

約数の個数: 16

約数和(自身を含む): 24872400

約数和(自身を除く): 5054815

約数列:

[1, 5, 29, 97, 145, 485, 1409, 2813, 7045, 14065, 40861, 136673, 204305, 683365, 3963517, 19817585]

約数ペア:

[(1, 19817585), (5, 3963517), (29, 683365), (97, 204305), (145, 136673), (485, 40861), (1409, 14065), (2813, 7045)]