19621277

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:652

約数の個数: 16

約数和(自身を含む): 22256640

約数和(自身を除く): 2635363

約数列:

[1, 13, 23, 137, 299, 479, 1781, 3151, 6227, 11017, 40963, 65623, 143221, 853099, 1509329, 19621277]

約数ペア:

[(1, 19621277), (13, 1509329), (23, 853099), (137, 143221), (299, 65623), (479, 40963), (1781, 11017), (3151, 6227)]