19861556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2671}}^1$

素因数の和:2712

約数の個数: 36

約数和(自身を含む): 41073984

約数和(自身を除く): 21212428

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 286, 338, 572, 676, 1859, 2671, 3718, 5342, 7436, 10684, 29381, 34723, 58762, 69446, 117524, 138892, 381953, 451399, 763906, 902798, 1527812, 1805596, 4965389, 9930778, 19861556]

約数ペア:

[(1, 19861556), (2, 9930778), (4, 4965389), (11, 1805596), (13, 1527812), (22, 902798), (26, 763906), (44, 451399), (52, 381953), (143, 138892), (169, 117524), (286, 69446), (338, 58762), (572, 34723), (676, 29381), (1859, 10684), (2671, 7436), (3718, 5342)]