19730585

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2777}}^1$

素因数の和:2825

約数の個数: 24

約数和(自身を含む): 28502280

約数和(自身を除く): 8771695

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 1015, 1421, 2777, 7105, 13885, 19439, 80533, 97195, 136073, 402665, 563731, 680365, 2818655, 3946117, 19730585]

約数ペア:

[(1, 19730585), (5, 3946117), (7, 2818655), (29, 680365), (35, 563731), (49, 402665), (145, 136073), (203, 97195), (245, 80533), (1015, 19439), (1421, 13885), (2777, 7105)]