19671850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{761}}^1$

素因数の和:831

約数の個数: 48

約数和(自身を含む): 40818816

約数和(自身を除く): 21146966

約数列:

[1, 2, 5, 10, 11, 22, 25, 47, 50, 55, 94, 110, 235, 275, 470, 517, 550, 761, 1034, 1175, 1522, 2350, 2585, 3805, 5170, 7610, 8371, 12925, 16742, 19025, 25850, 35767, 38050, 41855, 71534, 83710, 178835, 209275, 357670, 393437, 418550, 786874, 894175, 1788350, 1967185, 3934370, 9835925, 19671850]

約数ペア:

[(1, 19671850), (2, 9835925), (5, 3934370), (10, 1967185), (11, 1788350), (22, 894175), (25, 786874), (47, 418550), (50, 393437), (55, 357670), (94, 209275), (110, 178835), (235, 83710), (275, 71534), (470, 41855), (517, 38050), (550, 35767), (761, 25850), (1034, 19025), (1175, 16742), (1522, 12925), (2350, 8371), (2585, 7610), (3805, 5170)]