18495057

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{8231}}^1$

素因数の和:8348

約数の個数: 16

約数和(自身を含む): 28449792

約数和(自身を除く): 9954735

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 8231, 24693, 57617, 172851, 880717, 2642151, 6165019, 18495057]

約数ペア:

[(1, 18495057), (3, 6165019), (7, 2642151), (21, 880717), (107, 172851), (321, 57617), (749, 24693), (2247, 8231)]