18320316

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{4451}}^1$

素因数の和:4479

約数の個数: 48

約数和(自身を含む): 49862400

約数和(自身を除く): 31542084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 4451, 8902, 13353, 17804, 26706, 31157, 53412, 62314, 93471, 124628, 186942, 218099, 373884, 436198, 654297, 872396, 1308594, 1526693, 2617188, 3053386, 4580079, 6106772, 9160158, 18320316]

約数ペア:

[(1, 18320316), (2, 9160158), (3, 6106772), (4, 4580079), (6, 3053386), (7, 2617188), (12, 1526693), (14, 1308594), (21, 872396), (28, 654297), (42, 436198), (49, 373884), (84, 218099), (98, 186942), (147, 124628), (196, 93471), (294, 62314), (343, 53412), (588, 31157), (686, 26706), (1029, 17804), (1372, 13353), (2058, 8902), (4116, 4451)]