18180568

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2441}}^1$

素因数の和:2480

約数の個数: 48

約数和(自身を含む): 41758200

約数和(自身を除く): 23577632

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 392, 532, 931, 1064, 1862, 2441, 3724, 4882, 7448, 9764, 17087, 19528, 34174, 46379, 68348, 92758, 119609, 136696, 185516, 239218, 324653, 371032, 478436, 649306, 956872, 1298612, 2272571, 2597224, 4545142, 9090284, 18180568]

約数ペア:

[(1, 18180568), (2, 9090284), (4, 4545142), (7, 2597224), (8, 2272571), (14, 1298612), (19, 956872), (28, 649306), (38, 478436), (49, 371032), (56, 324653), (76, 239218), (98, 185516), (133, 136696), (152, 119609), (196, 92758), (266, 68348), (392, 46379), (532, 34174), (931, 19528), (1064, 17087), (1862, 9764), (2441, 7448), (3724, 4882)]