19645785

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14083}}^1$

素因数の和:14125

約数の個数: 24

約数和(自身を含む): 35153664

約数和(自身を除く): 15507879

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 14083, 42249, 70415, 126747, 211245, 436573, 633735, 1309719, 2182865, 3929157, 6548595, 19645785]

約数ペア:

[(1, 19645785), (3, 6548595), (5, 3929157), (9, 2182865), (15, 1309719), (31, 633735), (45, 436573), (93, 211245), (155, 126747), (279, 70415), (465, 42249), (1395, 14083)]