19728852

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11497}}^1$

素因数の和:11528

約数の個数: 48

約数和(自身を含む): 54086592

約数和(自身を除く): 34357740

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 11497, 22994, 34491, 45988, 68982, 126467, 137964, 149461, 252934, 298922, 379401, 448383, 505868, 597844, 758802, 896766, 1517604, 1644071, 1793532, 3288142, 4932213, 6576284, 9864426, 19728852]

約数ペア:

[(1, 19728852), (2, 9864426), (3, 6576284), (4, 4932213), (6, 3288142), (11, 1793532), (12, 1644071), (13, 1517604), (22, 896766), (26, 758802), (33, 597844), (39, 505868), (44, 448383), (52, 379401), (66, 298922), (78, 252934), (132, 149461), (143, 137964), (156, 126467), (286, 68982), (429, 45988), (572, 34491), (858, 22994), (1716, 11497)]