18454540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70979}}^1$

素因数の和:71001

約数の個数: 24

約数和(自身を含む): 41736240

約数和(自身を除く): 23281700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70979, 141958, 283916, 354895, 709790, 922727, 1419580, 1845454, 3690908, 4613635, 9227270, 18454540]

約数ペア:

[(1, 18454540), (2, 9227270), (4, 4613635), (5, 3690908), (10, 1845454), (13, 1419580), (20, 922727), (26, 709790), (52, 354895), (65, 283916), (130, 141958), (260, 70979)]