19871990758

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{6947}}^1\times {\mathrm{30431}}^1$

素因数の和:37427

約数の個数: 16

約数和(自身を含む): 30447581184

約数和(自身を除く): 10575590426

約数列:

[1, 2, 47, 94, 6947, 13894, 30431, 60862, 326509, 653018, 1430257, 2860514, 211404157, 422808314, 9935995379, 19871990758]

約数ペア:

[(1, 19871990758), (2, 9935995379), (47, 422808314), (94, 211404157), (6947, 2860514), (13894, 1430257), (30431, 653018), (60862, 326509)]