18883906288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{881437}}^1$

素因数の和:881561

約数の個数: 40

約数和(自身を含む): 39784585568

約数和(自身を除く): 20900679280

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 206, 208, 412, 824, 1339, 1648, 2678, 5356, 10712, 21424, 881437, 1762874, 3525748, 7051496, 11458681, 14102992, 22917362, 45834724, 90788011, 91669448, 181576022, 183338896, 363152044, 726304088, 1180244143, 1452608176, 2360488286, 4720976572, 9441953144, 18883906288]

約数ペア:

[(1, 18883906288), (2, 9441953144), (4, 4720976572), (8, 2360488286), (13, 1452608176), (16, 1180244143), (26, 726304088), (52, 363152044), (103, 183338896), (104, 181576022), (206, 91669448), (208, 90788011), (412, 45834724), (824, 22917362), (1339, 14102992), (1648, 11458681), (2678, 7051496), (5356, 3525748), (10712, 1762874), (21424, 881437)]