19874545

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1447}}^1$

素因数の和:1560

約数の個数: 16

約数和(自身を含む): 24812928

約数和(自身を除く): 4938383

約数列:

[1, 5, 41, 67, 205, 335, 1447, 2747, 7235, 13735, 59327, 96949, 296635, 484745, 3974909, 19874545]

約数ペア:

[(1, 19874545), (5, 3974909), (41, 484745), (67, 296635), (205, 96949), (335, 59327), (1447, 13735), (2747, 7235)]