20182607991

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3520427}}^1$

素因数の和:3520460

約数の個数: 36

約数和(自身を含む): 36520920072

約数和(自身を除く): 16338312081

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 5733, 3520427, 10561281, 24642989, 31683843, 45765551, 73928967, 137296653, 172500923, 221786901, 320358857, 411889959, 517502769, 961076571, 1552508307, 2242511999, 2883229713, 6727535997, 20182607991]

約数ペア:

[(1, 20182607991), (3, 6727535997), (7, 2883229713), (9, 2242511999), (13, 1552508307), (21, 961076571), (39, 517502769), (49, 411889959), (63, 320358857), (91, 221786901), (117, 172500923), (147, 137296653), (273, 73928967), (441, 45765551), (637, 31683843), (819, 24642989), (1911, 10561281), (5733, 3520427)]