18988896860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1109}}^1\times {\mathrm{27617}}^1$

素因数の和:28766

約数の個数: 48

約数和(自身を含む): 41201637120

約数和(自身を除く): 22212740260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1109, 2218, 4436, 5545, 11090, 22180, 27617, 34379, 55234, 68758, 110468, 137516, 138085, 171895, 276170, 343790, 552340, 687580, 856127, 1712254, 3424508, 4280635, 8561270, 17122540, 30627253, 61254506, 122509012, 153136265, 306272530, 612545060, 949444843, 1898889686, 3797779372, 4747224215, 9494448430, 18988896860]

約数ペア:

[(1, 18988896860), (2, 9494448430), (4, 4747224215), (5, 3797779372), (10, 1898889686), (20, 949444843), (31, 612545060), (62, 306272530), (124, 153136265), (155, 122509012), (310, 61254506), (620, 30627253), (1109, 17122540), (2218, 8561270), (4436, 4280635), (5545, 3424508), (11090, 1712254), (22180, 856127), (27617, 687580), (34379, 552340), (55234, 343790), (68758, 276170), (110468, 171895), (137516, 138085)]