18157309

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 20053440

約数和(自身を除く): 1896131

約数列:

[1, 17, 43, 59, 421, 731, 1003, 2537, 7157, 18103, 24839, 43129, 307751, 422263, 1068077, 18157309]

約数ペア:

[(1, 18157309), (17, 1068077), (43, 422263), (59, 307751), (421, 43129), (731, 24839), (1003, 18103), (2537, 7157)]