17683978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{40009}}^1$

素因数の和:40041

約数の個数: 16

約数和(自身を含む): 30247560

約数和(自身を除く): 12563582

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 40009, 80018, 520117, 680153, 1040234, 1360306, 8841989, 17683978]

約数ペア:

[(1, 17683978), (2, 8841989), (13, 1360306), (17, 1040234), (26, 680153), (34, 520117), (221, 80018), (442, 40009)]