19106680

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{757}}^1$

素因数の和:1399

約数の個数: 32

約数和(自身を含む): 43115040

約数和(自身を除く): 24008360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 757, 1262, 1514, 2524, 3028, 3155, 3785, 5048, 6056, 6310, 7570, 12620, 15140, 25240, 30280, 477667, 955334, 1910668, 2388335, 3821336, 4776670, 9553340, 19106680]

約数ペア:

[(1, 19106680), (2, 9553340), (4, 4776670), (5, 3821336), (8, 2388335), (10, 1910668), (20, 955334), (40, 477667), (631, 30280), (757, 25240), (1262, 15140), (1514, 12620), (2524, 7570), (3028, 6310), (3155, 6056), (3785, 5048)]