19878732

素因数分解:

$2^2\times 3^2\times {\mathrm{211}}^1\times {\mathrm{2617}}^1$

素因数の和:2838

約数の個数: 36

約数和(自身を含む): 50506456

約数和(自身を除く): 30627724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 211, 422, 633, 844, 1266, 1899, 2532, 2617, 3798, 5234, 7596, 7851, 10468, 15702, 23553, 31404, 47106, 94212, 552187, 1104374, 1656561, 2208748, 3313122, 4969683, 6626244, 9939366, 19878732]

約数ペア:

[(1, 19878732), (2, 9939366), (3, 6626244), (4, 4969683), (6, 3313122), (9, 2208748), (12, 1656561), (18, 1104374), (36, 552187), (211, 94212), (422, 47106), (633, 31404), (844, 23553), (1266, 15702), (1899, 10468), (2532, 7851), (2617, 7596), (3798, 5234)]