18220580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{130147}}^1$

素因数の和:130163

約数の個数: 24

約数和(自身を含む): 43729728

約数和(自身を除く): 25509148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 130147, 260294, 520588, 650735, 911029, 1301470, 1822058, 2602940, 3644116, 4555145, 9110290, 18220580]

約数ペア:

[(1, 18220580), (2, 9110290), (4, 4555145), (5, 3644116), (7, 2602940), (10, 1822058), (14, 1301470), (20, 911029), (28, 650735), (35, 520588), (70, 260294), (140, 130147)]