19961656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17449}}^1$

素因数の和:17479

約数の個数: 32

約数和(自身を含む): 43974000

約数和(自身を除く): 24012344

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17449, 34898, 69796, 139592, 191939, 226837, 383878, 453674, 767756, 907348, 1535512, 1814696, 2495207, 4990414, 9980828, 19961656]

約数ペア:

[(1, 19961656), (2, 9980828), (4, 4990414), (8, 2495207), (11, 1814696), (13, 1535512), (22, 907348), (26, 767756), (44, 453674), (52, 383878), (88, 226837), (104, 191939), (143, 139592), (286, 69796), (572, 34898), (1144, 17449)]