18403255

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{751}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 24770880

約数和(自身を除く): 6367625

約数列:

[1, 5, 13, 29, 65, 145, 169, 377, 751, 845, 1885, 3755, 4901, 9763, 21779, 24505, 48815, 108895, 126919, 283127, 634595, 1415635, 3680651, 18403255]

約数ペア:

[(1, 18403255), (5, 3680651), (13, 1415635), (29, 634595), (65, 283127), (145, 126919), (169, 108895), (377, 48815), (751, 24505), (845, 21779), (1885, 9763), (3755, 4901)]