18746868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3331}}^1$

素因数の和:3412

約数の個数: 48

約数和(自身を含む): 50753024

約数和(自身を除く): 32006156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 67, 84, 134, 201, 268, 402, 469, 804, 938, 1407, 1876, 2814, 3331, 5628, 6662, 9993, 13324, 19986, 23317, 39972, 46634, 69951, 93268, 139902, 223177, 279804, 446354, 669531, 892708, 1339062, 1562239, 2678124, 3124478, 4686717, 6248956, 9373434, 18746868]

約数ペア:

[(1, 18746868), (2, 9373434), (3, 6248956), (4, 4686717), (6, 3124478), (7, 2678124), (12, 1562239), (14, 1339062), (21, 892708), (28, 669531), (42, 446354), (67, 279804), (84, 223177), (134, 139902), (201, 93268), (268, 69951), (402, 46634), (469, 39972), (804, 23317), (938, 19986), (1407, 13324), (1876, 9993), (2814, 6662), (3331, 5628)]