19940063

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 5461537

約数列:

[1, 11, 13, 19, 41, 143, 179, 209, 247, 451, 533, 779, 1969, 2327, 2717, 3401, 5863, 7339, 8569, 10127, 25597, 37411, 44213, 80729, 95407, 111397, 139441, 486343, 1049477, 1533851, 1812733, 19940063]

約数ペア:

[(1, 19940063), (11, 1812733), (13, 1533851), (19, 1049477), (41, 486343), (143, 139441), (179, 111397), (209, 95407), (247, 80729), (451, 44213), (533, 37411), (779, 25597), (1969, 10127), (2327, 8569), (2717, 7339), (3401, 5863)]