18839289

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 30367744

約数和(自身を除く): 11528455

約数列:

[1, 3, 7, 21, 31, 43, 93, 129, 217, 301, 651, 673, 903, 1333, 2019, 3999, 4711, 9331, 14133, 20863, 27993, 28939, 62589, 86817, 146041, 202573, 438123, 607719, 897109, 2691327, 6279763, 18839289]

約数ペア:

[(1, 18839289), (3, 6279763), (7, 2691327), (21, 897109), (31, 607719), (43, 438123), (93, 202573), (129, 146041), (217, 86817), (301, 62589), (651, 28939), (673, 27993), (903, 20863), (1333, 14133), (2019, 9331), (3999, 4711)]