18366140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70639}}^1$

素因数の和:70661

約数の個数: 24

約数和(自身を含む): 41536320

約数和(自身を除く): 23170180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70639, 141278, 282556, 353195, 706390, 918307, 1412780, 1836614, 3673228, 4591535, 9183070, 18366140]

約数ペア:

[(1, 18366140), (2, 9183070), (4, 4591535), (5, 3673228), (10, 1836614), (13, 1412780), (20, 918307), (26, 706390), (52, 353195), (65, 282556), (130, 141278), (260, 70639)]