19854562

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{59}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 38162880

約数和(自身を除く): 18308318

約数列:

[1, 2, 7, 13, 14, 26, 43, 59, 86, 91, 118, 182, 301, 413, 559, 602, 767, 826, 1118, 1534, 1849, 2537, 3698, 3913, 5074, 5369, 7826, 10738, 12943, 17759, 24037, 25886, 32981, 35518, 48074, 65962, 109091, 168259, 218182, 230867, 336518, 461734, 763637, 1418183, 1527274, 2836366, 9927281, 19854562]

約数ペア:

[(1, 19854562), (2, 9927281), (7, 2836366), (13, 1527274), (14, 1418183), (26, 763637), (43, 461734), (59, 336518), (86, 230867), (91, 218182), (118, 168259), (182, 109091), (301, 65962), (413, 48074), (559, 35518), (602, 32981), (767, 25886), (826, 24037), (1118, 17759), (1534, 12943), (1849, 10738), (2537, 7826), (3698, 5369), (3913, 5074)]