19702329

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 28950528

約数和(自身を除く): 9248199

約数列:

[1, 3, 23, 31, 61, 69, 93, 151, 183, 453, 713, 1403, 1891, 2139, 3473, 4209, 4681, 5673, 9211, 10419, 14043, 27633, 43493, 107663, 130479, 211853, 285541, 322989, 635559, 856623, 6567443, 19702329]

約数ペア:

[(1, 19702329), (3, 6567443), (23, 856623), (31, 635559), (61, 322989), (69, 285541), (93, 211853), (151, 130479), (183, 107663), (453, 43493), (713, 27633), (1403, 14043), (1891, 10419), (2139, 9211), (3473, 5673), (4209, 4681)]