18491123

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3391}}^1$

素因数の和:3458

約数の個数: 16

約数和(自身を含む): 22794240

約数和(自身を除く): 4303117

約数列:

[1, 7, 19, 41, 133, 287, 779, 3391, 5453, 23737, 64429, 139031, 451003, 973217, 2641589, 18491123]

約数ペア:

[(1, 18491123), (7, 2641589), (19, 973217), (41, 451003), (133, 139031), (287, 64429), (779, 23737), (3391, 5453)]