18096280

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1163}}^1$

素因数の和:1563

約数の個数: 32

約数和(自身を含む): 40856400

約数和(自身を除く): 22760120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1163, 1556, 1945, 2326, 3112, 3890, 4652, 5815, 7780, 9304, 11630, 15560, 23260, 46520, 452407, 904814, 1809628, 2262035, 3619256, 4524070, 9048140, 18096280]

約数ペア:

[(1, 18096280), (2, 9048140), (4, 4524070), (5, 3619256), (8, 2262035), (10, 1809628), (20, 904814), (40, 452407), (389, 46520), (778, 23260), (1163, 15560), (1556, 11630), (1945, 9304), (2326, 7780), (3112, 5815), (3890, 4652)]