19047380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{86579}}^1$

素因数の和:86599

約数の個数: 24

約数和(自身を含む): 43636320

約数和(自身を除く): 24588940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 86579, 173158, 346316, 432895, 865790, 952369, 1731580, 1904738, 3809476, 4761845, 9523690, 19047380]

約数ペア:

[(1, 19047380), (2, 9523690), (4, 4761845), (5, 3809476), (10, 1904738), (11, 1731580), (20, 952369), (22, 865790), (44, 432895), (55, 346316), (110, 173158), (220, 86579)]