18107300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4211}}^1$

素因数の和:4268

約数の個数: 36

約数和(自身を含む): 40216176

約数和(自身を除く): 22108876

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4211, 4300, 8422, 16844, 21055, 42110, 84220, 105275, 181073, 210550, 362146, 421100, 724292, 905365, 1810730, 3621460, 4526825, 9053650, 18107300]

約数ペア:

[(1, 18107300), (2, 9053650), (4, 4526825), (5, 3621460), (10, 1810730), (20, 905365), (25, 724292), (43, 421100), (50, 362146), (86, 210550), (100, 181073), (172, 105275), (215, 84220), (430, 42110), (860, 21055), (1075, 16844), (2150, 8422), (4211, 4300)]