18449988

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{4259}}^1$

素因数の和:4304

約数の個数: 36

約数和(自身を含む): 45445680

約数和(自身を除く): 26995692

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 361, 722, 1083, 1444, 2166, 4259, 4332, 8518, 12777, 17036, 25554, 51108, 80921, 161842, 242763, 323684, 485526, 971052, 1537499, 3074998, 4612497, 6149996, 9224994, 18449988]

約数ペア:

[(1, 18449988), (2, 9224994), (3, 6149996), (4, 4612497), (6, 3074998), (12, 1537499), (19, 971052), (38, 485526), (57, 323684), (76, 242763), (114, 161842), (228, 80921), (361, 51108), (722, 25554), (1083, 17036), (1444, 12777), (2166, 8518), (4259, 4332)]