18242320

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5303}}^1$

素因数の和:5359

約数の個数: 40

約数和(自身を含む): 43407936

約数和(自身を除く): 25165616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 5303, 10606, 21212, 26515, 42424, 53030, 84848, 106060, 212120, 228029, 424240, 456058, 912116, 1140145, 1824232, 2280290, 3648464, 4560580, 9121160, 18242320]

約数ペア:

[(1, 18242320), (2, 9121160), (4, 4560580), (5, 3648464), (8, 2280290), (10, 1824232), (16, 1140145), (20, 912116), (40, 456058), (43, 424240), (80, 228029), (86, 212120), (172, 106060), (215, 84848), (344, 53030), (430, 42424), (688, 26515), (860, 21212), (1720, 10606), (3440, 5303)]