19597765

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1117}}^1$

素因数の和:1173

約数の個数: 24

約数和(自身を含む): 26764920

約数和(自身を除く): 7167155

約数列:

[1, 5, 11, 29, 55, 121, 145, 319, 605, 1117, 1595, 3509, 5585, 12287, 17545, 32393, 61435, 135157, 161965, 356323, 675785, 1781615, 3919553, 19597765]

約数ペア:

[(1, 19597765), (5, 3919553), (11, 1781615), (29, 675785), (55, 356323), (121, 161965), (145, 135157), (319, 61435), (605, 32393), (1117, 17545), (1595, 12287), (3509, 5585)]