18460072

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 35830080

約数和(自身を除く): 17370008

約数列:

[1, 2, 4, 8, 43, 86, 103, 172, 206, 344, 412, 521, 824, 1042, 2084, 4168, 4429, 8858, 17716, 22403, 35432, 44806, 53663, 89612, 107326, 179224, 214652, 429304, 2307509, 4615018, 9230036, 18460072]

約数ペア:

[(1, 18460072), (2, 9230036), (4, 4615018), (8, 2307509), (43, 429304), (86, 214652), (103, 179224), (172, 107326), (206, 89612), (344, 53663), (412, 44806), (521, 35432), (824, 22403), (1042, 17716), (2084, 8858), (4168, 4429)]