12219515

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1867}}^1$

素因数の和:1907

約数の個数: 32

約数和(自身を含む): 19367424

約数和(自身を除く): 7147909

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 1867, 6545, 9335, 13069, 20537, 31739, 65345, 102685, 143759, 158695, 222173, 349129, 718795, 1110865, 1745645, 2443903, 12219515]

約数ペア:

[(1, 12219515), (5, 2443903), (7, 1745645), (11, 1110865), (17, 718795), (35, 349129), (55, 222173), (77, 158695), (85, 143759), (119, 102685), (187, 65345), (385, 31739), (595, 20537), (935, 13069), (1309, 9335), (1867, 6545)]