19963404

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{10463}}^1$

素因数の和:10526

約数の個数: 36

約数和(自身を含む): 51420096

約数和(自身を除く): 31456692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 10463, 20926, 31389, 41852, 62778, 94167, 125556, 188334, 376668, 554539, 1109078, 1663617, 2218156, 3327234, 4990851, 6654468, 9981702, 19963404]

約数ペア:

[(1, 19963404), (2, 9981702), (3, 6654468), (4, 4990851), (6, 3327234), (9, 2218156), (12, 1663617), (18, 1109078), (36, 554539), (53, 376668), (106, 188334), (159, 125556), (212, 94167), (318, 62778), (477, 41852), (636, 31389), (954, 20926), (1908, 10463)]