18625972

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{829}}^1$

素因数の和:1011

約数の個数: 24

約数和(自身を含む): 33674760

約数和(自身を除く): 15048788

約数列:

[1, 2, 4, 41, 82, 137, 164, 274, 548, 829, 1658, 3316, 5617, 11234, 22468, 33989, 67978, 113573, 135956, 227146, 454292, 4656493, 9312986, 18625972]

約数ペア:

[(1, 18625972), (2, 9312986), (4, 4656493), (41, 454292), (82, 227146), (137, 135956), (164, 113573), (274, 67978), (548, 33989), (829, 22468), (1658, 11234), (3316, 5617)]