19134280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43487}}^1$

素因数の和:43509

約数の個数: 32

約数和(自身を含む): 46967040

約数和(自身を除く): 27832760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43487, 86974, 173948, 217435, 347896, 434870, 478357, 869740, 956714, 1739480, 1913428, 2391785, 3826856, 4783570, 9567140, 19134280]

約数ペア:

[(1, 19134280), (2, 9567140), (4, 4783570), (5, 3826856), (8, 2391785), (10, 1913428), (11, 1739480), (20, 956714), (22, 869740), (40, 478357), (44, 434870), (55, 347896), (88, 217435), (110, 173948), (220, 86974), (440, 43487)]