19423339

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 23189760

約数和(自身を除く): 3766421

約数列:

[1, 13, 19, 23, 169, 247, 263, 299, 437, 3211, 3419, 3887, 4997, 5681, 6049, 44447, 64961, 73853, 78637, 114931, 844493, 1022281, 1494103, 19423339]

約数ペア:

[(1, 19423339), (13, 1494103), (19, 1022281), (23, 844493), (169, 114931), (247, 78637), (263, 73853), (299, 64961), (437, 44447), (3211, 6049), (3419, 5681), (3887, 4997)]