19213565

素因数分解:

$5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4007}}^1$

素因数の和:4156

約数の個数: 16

約数和(自身を含む): 26548992

約数和(自身を除く): 7335427

約数列:

[1, 5, 7, 35, 137, 685, 959, 4007, 4795, 20035, 28049, 140245, 548959, 2744795, 3842713, 19213565]

約数ペア:

[(1, 19213565), (5, 3842713), (7, 2744795), (35, 548959), (137, 140245), (685, 28049), (959, 20035), (4007, 4795)]