18167305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 25528608

約数和(自身を除く): 7361303

約数列:

[1, 5, 13, 17, 41, 65, 85, 205, 221, 401, 533, 697, 1105, 2005, 2665, 3485, 5213, 6817, 9061, 16441, 26065, 34085, 45305, 82205, 88621, 213733, 279497, 443105, 1068665, 1397485, 3633461, 18167305]

約数ペア:

[(1, 18167305), (5, 3633461), (13, 1397485), (17, 1068665), (41, 443105), (65, 279497), (85, 213733), (205, 88621), (221, 82205), (401, 45305), (533, 34085), (697, 26065), (1105, 16441), (2005, 9061), (2665, 6817), (3485, 5213)]