18960920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43093}}^1$

素因数の和:43115

約数の個数: 32

約数和(自身を含む): 46541520

約数和(自身を除く): 27580600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43093, 86186, 172372, 215465, 344744, 430930, 474023, 861860, 948046, 1723720, 1896092, 2370115, 3792184, 4740230, 9480460, 18960920]

約数ペア:

[(1, 18960920), (2, 9480460), (4, 4740230), (5, 3792184), (8, 2370115), (10, 1896092), (11, 1723720), (20, 948046), (22, 861860), (40, 474023), (44, 430930), (55, 344744), (88, 215465), (110, 172372), (220, 86186), (440, 43093)]