19826784

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1601}}^1$

素因数の和:1660

約数の個数: 72

約数和(自身を含む): 57729672

約数和(自身を除く): 37902888

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, 1601, 2064, 3096, 3202, 4128, 4803, 6192, 6404, 9606, 12384, 12808, 14409, 19212, 25616, 28818, 38424, 51232, 57636, 68843, 76848, 115272, 137686, 153696, 206529, 230544, 275372, 413058, 461088, 550744, 619587, 826116, 1101488, 1239174, 1652232, 2202976, 2478348, 3304464, 4956696, 6608928, 9913392, 19826784]

約数ペア:

[(1, 19826784), (2, 9913392), (3, 6608928), (4, 4956696), (6, 3304464), (8, 2478348), (9, 2202976), (12, 1652232), (16, 1239174), (18, 1101488), (24, 826116), (32, 619587), (36, 550744), (43, 461088), (48, 413058), (72, 275372), (86, 230544), (96, 206529), (129, 153696), (144, 137686), (172, 115272), (258, 76848), (288, 68843), (344, 57636), (387, 51232), (516, 38424), (688, 28818), (774, 25616), (1032, 19212), (1376, 14409), (1548, 12808), (1601, 12384), (2064, 9606), (3096, 6404), (3202, 6192), (4128, 4803)]