18116020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69677}}^1$

素因数の和:69699

約数の個数: 24

約数和(自身を含む): 40970664

約数和(自身を除く): 22854644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 69677, 139354, 278708, 348385, 696770, 905801, 1393540, 1811602, 3623204, 4529005, 9058010, 18116020]

約数ペア:

[(1, 18116020), (2, 9058010), (4, 4529005), (5, 3623204), (10, 1811602), (13, 1393540), (20, 905801), (26, 696770), (52, 348385), (65, 278708), (130, 139354), (260, 69677)]