18244880

素因数分解:

$2^4\times 5^1\times {\mathrm{228061}}^1$

素因数の和:228074

約数の個数: 20

約数和(自身を含む): 42419532

約数和(自身を除く): 24174652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 228061, 456122, 912244, 1140305, 1824488, 2280610, 3648976, 4561220, 9122440, 18244880]

約数ペア:

[(1, 18244880), (2, 9122440), (4, 4561220), (5, 3648976), (8, 2280610), (10, 1824488), (16, 1140305), (20, 912244), (40, 456122), (80, 228061)]