19185621

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2267}}^1$

素因数の和:2321

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 13328427

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2267, 2821, 6801, 8463, 15869, 29471, 47607, 70277, 88413, 206297, 210831, 491939, 618891, 913601, 1475817, 2740803, 6395207, 19185621]

約数ペア:

[(1, 19185621), (3, 6395207), (7, 2740803), (13, 1475817), (21, 913601), (31, 618891), (39, 491939), (91, 210831), (93, 206297), (217, 88413), (273, 70277), (403, 47607), (651, 29471), (1209, 15869), (2267, 8463), (2821, 6801)]