19005673099

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{7309}}^1$

素因数の和:7891

約数の個数: 32

約数和(自身を含む): 23444398080

約数和(自身を除く): 4438724981

約数列:

[1, 7, 23, 31, 161, 217, 521, 713, 3647, 4991, 7309, 11983, 16151, 51163, 83881, 113057, 168107, 226579, 371473, 1176749, 1586053, 2600311, 3807989, 5211317, 26655923, 36479219, 87583747, 118047659, 613086229, 826333613, 2715096157, 19005673099]

約数ペア:

[(1, 19005673099), (7, 2715096157), (23, 826333613), (31, 613086229), (161, 118047659), (217, 87583747), (521, 36479219), (713, 26655923), (3647, 5211317), (4991, 3807989), (7309, 2600311), (11983, 1586053), (16151, 1176749), (51163, 371473), (83881, 226579), (113057, 168107)]