2018011821

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1575341}}^1$

素因数の和:1575412

約数の個数: 16

約数和(自身を含む): 3125478528

約数和(自身を除く): 1107466707

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 1575341, 4726023, 11027387, 33082161, 96095801, 288287403, 672670607, 2018011821]

約数ペア:

[(1, 2018011821), (3, 672670607), (7, 288287403), (21, 96095801), (61, 33082161), (183, 11027387), (427, 4726023), (1281, 1575341)]