18304209

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 33581184

約数和(自身を除く): 15276975

約数列:

[1, 3, 7, 9, 11, 21, 33, 61, 63, 77, 99, 183, 231, 427, 433, 549, 671, 693, 1281, 1299, 2013, 3031, 3843, 3897, 4697, 4763, 6039, 9093, 14091, 14289, 26413, 27279, 33341, 42273, 42867, 79239, 100023, 184891, 237717, 290543, 300069, 554673, 871629, 1664019, 2033801, 2614887, 6101403, 18304209]

約数ペア:

[(1, 18304209), (3, 6101403), (7, 2614887), (9, 2033801), (11, 1664019), (21, 871629), (33, 554673), (61, 300069), (63, 290543), (77, 237717), (99, 184891), (183, 100023), (231, 79239), (427, 42867), (433, 42273), (549, 33341), (671, 27279), (693, 26413), (1281, 14289), (1299, 14091), (2013, 9093), (3031, 6039), (3843, 4763), (3897, 4697)]