18101805

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 30689280

約数和(自身を除く): 12587475

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 739, 1065, 1633, 2217, 3695, 4899, 8165, 11085, 16997, 24495, 50991, 52469, 84985, 157407, 254955, 262345, 787035, 1206787, 3620361, 6033935, 18101805]

約数ペア:

[(1, 18101805), (3, 6033935), (5, 3620361), (15, 1206787), (23, 787035), (69, 262345), (71, 254955), (115, 157407), (213, 84985), (345, 52469), (355, 50991), (739, 24495), (1065, 16997), (1633, 11085), (2217, 8165), (3695, 4899)]