18804958840

素因数分解:

$2^3\times 5^1\times {\mathrm{1741}}^1\times {\mathrm{270031}}^1$

素因数の和:271783

約数の個数: 32

約数和(自身を含む): 42335616960

約数和(自身を除く): 23530658120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1741, 3482, 6964, 8705, 13928, 17410, 34820, 69640, 270031, 540062, 1080124, 1350155, 2160248, 2700310, 5400620, 10801240, 470123971, 940247942, 1880495884, 2350619855, 3760991768, 4701239710, 9402479420, 18804958840]

約数ペア:

[(1, 18804958840), (2, 9402479420), (4, 4701239710), (5, 3760991768), (8, 2350619855), (10, 1880495884), (20, 940247942), (40, 470123971), (1741, 10801240), (3482, 5400620), (6964, 2700310), (8705, 2160248), (13928, 1350155), (17410, 1080124), (34820, 540062), (69640, 270031)]