18516081

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1801}}^1$

素因数の和:1976

約数の個数: 16

約数和(自身を含む): 25948800

約数和(自身を除く): 7432719

約数列:

[1, 3, 23, 69, 149, 447, 1801, 3427, 5403, 10281, 41423, 124269, 268349, 805047, 6172027, 18516081]

約数ペア:

[(1, 18516081), (3, 6172027), (23, 805047), (69, 268349), (149, 124269), (447, 41423), (1801, 10281), (3427, 5403)]