18778973860

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2836703}}^1$

素因数の和:2837043

約数の個数: 24

約数和(自身を含む): 39555000576

約数和(自身を除く): 20776026716

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 2836703, 5673406, 11346812, 14183515, 28367030, 56734060, 938948693, 1877897386, 3755794772, 4694743465, 9389486930, 18778973860]

約数ペア:

[(1, 18778973860), (2, 9389486930), (4, 4694743465), (5, 3755794772), (10, 1877897386), (20, 938948693), (331, 56734060), (662, 28367030), (1324, 14183515), (1655, 11346812), (3310, 5673406), (6620, 2836703)]