19877355

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14249}}^1$

素因数の和:14291

約数の個数: 24

約数和(自身を含む): 35568000

約数和(自身を除く): 15690645

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 14249, 42747, 71245, 128241, 213735, 441719, 641205, 1325157, 2208595, 3975471, 6625785, 19877355]

約数ペア:

[(1, 19877355), (3, 6625785), (5, 3975471), (9, 2208595), (15, 1325157), (31, 641205), (45, 441719), (93, 213735), (155, 128241), (279, 71245), (465, 42747), (1395, 14249)]