19405728

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1567}}^1$

素因数の和:1626

約数の個数: 72

約数和(自身を含む): 56504448

約数和(自身を除く): 37098720

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 144, 172, 258, 288, 344, 387, 516, 688, 774, 1032, 1376, 1548, 1567, 2064, 3096, 3134, 4128, 4701, 6192, 6268, 9402, 12384, 12536, 14103, 18804, 25072, 28206, 37608, 50144, 56412, 67381, 75216, 112824, 134762, 150432, 202143, 225648, 269524, 404286, 451296, 539048, 606429, 808572, 1078096, 1212858, 1617144, 2156192, 2425716, 3234288, 4851432, 6468576, 9702864, 19405728]

約数ペア:

[(1, 19405728), (2, 9702864), (3, 6468576), (4, 4851432), (6, 3234288), (8, 2425716), (9, 2156192), (12, 1617144), (16, 1212858), (18, 1078096), (24, 808572), (32, 606429), (36, 539048), (43, 451296), (48, 404286), (72, 269524), (86, 225648), (96, 202143), (129, 150432), (144, 134762), (172, 112824), (258, 75216), (288, 67381), (344, 56412), (387, 50144), (516, 37608), (688, 28206), (774, 25072), (1032, 18804), (1376, 14103), (1548, 12536), (1567, 12384), (2064, 9402), (3096, 6268), (3134, 6192), (4128, 4701)]