18685281

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{607}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 25837568

約数和(自身を除く): 7152287

約数列:

[1, 3, 31, 93, 331, 607, 993, 1821, 10261, 18817, 30783, 56451, 200917, 602751, 6228427, 18685281]

約数ペア:

[(1, 18685281), (3, 6228427), (31, 602751), (93, 200917), (331, 56451), (607, 30783), (993, 18817), (1821, 10261)]