18856734

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{457}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 42550032

約数和(自身を除く): 23693298

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 457, 529, 598, 897, 914, 1058, 1371, 1587, 1794, 2742, 3174, 5941, 6877, 10511, 11882, 13754, 17823, 20631, 21022, 31533, 35646, 41262, 63066, 136643, 241753, 273286, 409929, 483506, 725259, 819858, 1450518, 3142789, 6285578, 9428367, 18856734]

約数ペア:

[(1, 18856734), (2, 9428367), (3, 6285578), (6, 3142789), (13, 1450518), (23, 819858), (26, 725259), (39, 483506), (46, 409929), (69, 273286), (78, 241753), (138, 136643), (299, 63066), (457, 41262), (529, 35646), (598, 31533), (897, 21022), (914, 20631), (1058, 17823), (1371, 13754), (1587, 11882), (1794, 10511), (2742, 6877), (3174, 5941)]