20181763616

素因数分解:

$2^5\times 7^1\times {\mathrm{139}}^1\times {\mathrm{648181}}^1$

素因数の和:648337

約数の個数: 48

約数和(自身を含む): 45735721920

約数和(自身を除く): 25553958304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 139, 224, 278, 556, 973, 1112, 1946, 2224, 3892, 4448, 7784, 15568, 31136, 648181, 1296362, 2592724, 4537267, 5185448, 9074534, 10370896, 18149068, 20741792, 36298136, 72596272, 90097159, 145192544, 180194318, 360388636, 630680113, 720777272, 1261360226, 1441554544, 2522720452, 2883109088, 5045440904, 10090881808, 20181763616]

約数ペア:

[(1, 20181763616), (2, 10090881808), (4, 5045440904), (7, 2883109088), (8, 2522720452), (14, 1441554544), (16, 1261360226), (28, 720777272), (32, 630680113), (56, 360388636), (112, 180194318), (139, 145192544), (224, 90097159), (278, 72596272), (556, 36298136), (973, 20741792), (1112, 18149068), (1946, 10370896), (2224, 9074534), (3892, 5185448), (4448, 4537267), (7784, 2592724), (15568, 1296362), (31136, 648181)]