18958040

素因数分解:

$2^3\times 5^1\times {\mathrm{473951}}^1$

素因数の和:473962

約数の個数: 16

約数和(自身を含む): 42655680

約数和(自身を除く): 23697640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 473951, 947902, 1895804, 2369755, 3791608, 4739510, 9479020, 18958040]

約数ペア:

[(1, 18958040), (2, 9479020), (4, 4739510), (5, 3791608), (8, 2369755), (10, 1895804), (20, 947902), (40, 473951)]