18306717

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 28976640

約数和(自身を除く): 10669923

約数列:

[1, 3, 11, 13, 33, 39, 139, 143, 307, 417, 429, 921, 1529, 1807, 3377, 3991, 4587, 5421, 10131, 11973, 19877, 42673, 43901, 59631, 128019, 131703, 469403, 554749, 1408209, 1664247, 6102239, 18306717]

約数ペア:

[(1, 18306717), (3, 6102239), (11, 1664247), (13, 1408209), (33, 554749), (39, 469403), (139, 131703), (143, 128019), (307, 59631), (417, 43901), (429, 42673), (921, 19877), (1529, 11973), (1807, 10131), (3377, 5421), (3991, 4587)]