18438040

素因数分解:

$2^3\times 5^1\times {\mathrm{460951}}^1$

素因数の和:460962

約数の個数: 16

約数和(自身を含む): 41485680

約数和(自身を除く): 23047640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 460951, 921902, 1843804, 2304755, 3687608, 4609510, 9219020, 18438040]

約数ペア:

[(1, 18438040), (2, 9219020), (4, 4609510), (5, 3687608), (8, 2304755), (10, 1843804), (20, 921902), (40, 460951)]