19630247

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 25740288

約数和(自身を除く): 6110041

約数列:

[1, 7, 13, 23, 83, 91, 113, 161, 299, 581, 791, 1079, 1469, 1909, 2093, 2599, 7553, 9379, 10283, 13363, 18193, 24817, 33787, 65653, 121927, 173719, 215717, 236509, 853489, 1510019, 2804321, 19630247]

約数ペア:

[(1, 19630247), (7, 2804321), (13, 1510019), (23, 853489), (83, 236509), (91, 215717), (113, 173719), (161, 121927), (299, 65653), (581, 33787), (791, 24817), (1079, 18193), (1469, 13363), (1909, 10283), (2093, 9379), (2599, 7553)]