19076420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{86711}}^1$

素因数の和:86731

約数の個数: 24

約数和(自身を含む): 43702848

約数和(自身を除く): 24626428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 86711, 173422, 346844, 433555, 867110, 953821, 1734220, 1907642, 3815284, 4769105, 9538210, 19076420]

約数ペア:

[(1, 19076420), (2, 9538210), (4, 4769105), (5, 3815284), (10, 1907642), (11, 1734220), (20, 953821), (22, 867110), (44, 433555), (55, 346844), (110, 173422), (220, 86711)]