18459145

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 22718592

約数和(自身を除く): 4259447

約数列:

[1, 5, 73, 103, 365, 491, 515, 2455, 7519, 35843, 37595, 50573, 179215, 252865, 3691829, 18459145]

約数ペア:

[(1, 18459145), (5, 3691829), (73, 252865), (103, 179215), (365, 50573), (491, 37595), (515, 35843), (2455, 7519)]