18015697

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 21150720

約数和(自身を除く): 3135023

約数列:

[1, 7, 67, 107, 359, 469, 749, 2513, 7169, 24053, 38413, 50183, 168371, 268891, 2573671, 18015697]

約数ペア:

[(1, 18015697), (7, 2573671), (67, 268891), (107, 168371), (359, 50183), (469, 38413), (749, 24053), (2513, 7169)]