18961228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{33149}}^1$

素因数の和:33177

約数の個数: 24

約数和(自身を含む): 38984400

約数和(自身を除く): 20023172

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 33149, 66298, 132596, 364639, 430937, 729278, 861874, 1458556, 1723748, 4740307, 9480614, 18961228]

約数ペア:

[(1, 18961228), (2, 9480614), (4, 4740307), (11, 1723748), (13, 1458556), (22, 861874), (26, 729278), (44, 430937), (52, 364639), (143, 132596), (286, 66298), (572, 33149)]