19208228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{709}}^1$

素因数の和:1247

約数の個数: 24

約数和(自身を含む): 36320760

約数和(自身を除く): 17112532

約数列:

[1, 2, 4, 13, 26, 52, 521, 709, 1042, 1418, 2084, 2836, 6773, 9217, 13546, 18434, 27092, 36868, 369389, 738778, 1477556, 4802057, 9604114, 19208228]

約数ペア:

[(1, 19208228), (2, 9604114), (4, 4802057), (13, 1477556), (26, 738778), (52, 369389), (521, 36868), (709, 27092), (1042, 18434), (1418, 13546), (2084, 9217), (2836, 6773)]