18219856333

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{613}}^1\times {\mathrm{1123}}^1$

素因数の和:1961

約数の個数: 32

約数和(自身を含む): 22084352000

約数和(自身を除く): 3864495667

約数列:

[1, 7, 19, 133, 199, 613, 1123, 1393, 3781, 4291, 7861, 11647, 21337, 26467, 81529, 121987, 149359, 223477, 688399, 853909, 1564339, 2317753, 4246063, 4818793, 13079581, 16224271, 29722441, 91557067, 136991401, 958939807, 2602836619, 18219856333]

約数ペア:

[(1, 18219856333), (7, 2602836619), (19, 958939807), (133, 136991401), (199, 91557067), (613, 29722441), (1123, 16224271), (1393, 13079581), (3781, 4818793), (4291, 4246063), (7861, 2317753), (11647, 1564339), (21337, 853909), (26467, 688399), (81529, 223477), (121987, 149359)]