18206145

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{421}}^1$

素因数の和:494

約数の個数: 36

約数和(自身を含む): 32685588

約数和(自身を除く): 14479443

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 421, 465, 961, 1263, 1395, 2105, 2883, 3789, 4805, 6315, 8649, 13051, 14415, 18945, 39153, 43245, 65255, 117459, 195765, 404581, 587295, 1213743, 2022905, 3641229, 6068715, 18206145]

約数ペア:

[(1, 18206145), (3, 6068715), (5, 3641229), (9, 2022905), (15, 1213743), (31, 587295), (45, 404581), (93, 195765), (155, 117459), (279, 65255), (421, 43245), (465, 39153), (961, 18945), (1263, 14415), (1395, 13051), (2105, 8649), (2883, 6315), (3789, 4805)]