19005491619

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{2192857}}^1$

素因数の和:2192976

約数の個数: 20

約数和(自身を含む): 28656268344

約数和(自身を除く): 9650776725

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 8667, 2192857, 6578571, 19735713, 59207139, 177621417, 234635699, 703907097, 2111721291, 6335163873, 19005491619]

約数ペア:

[(1, 19005491619), (3, 6335163873), (9, 2111721291), (27, 703907097), (81, 234635699), (107, 177621417), (321, 59207139), (963, 19735713), (2889, 6578571), (8667, 2192857)]