18740565

素因数分解:

$3^4\times 5^1\times {\mathrm{46273}}^1$

素因数の和:46290

約数の個数: 20

約数和(自身を含む): 33594924

約数和(自身を除く): 14854359

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 46273, 138819, 231365, 416457, 694095, 1249371, 2082285, 3748113, 6246855, 18740565]

約数ペア:

[(1, 18740565), (3, 6246855), (5, 3748113), (9, 2082285), (15, 1249371), (27, 694095), (45, 416457), (81, 231365), (135, 138819), (405, 46273)]