18657939

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{457}}^1$

素因数の和:930

約数の個数: 16

約数和(自身を含む): 25794560

約数和(自身を除く): 7136621

約数列:

[1, 3, 31, 93, 439, 457, 1317, 1371, 13609, 14167, 40827, 42501, 200623, 601869, 6219313, 18657939]

約数ペア:

[(1, 18657939), (3, 6219313), (31, 601869), (93, 200623), (439, 42501), (457, 40827), (1317, 14167), (1371, 13609)]