19735839

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 10676961

約数列:

[1, 3, 9, 27, 43, 89, 129, 191, 267, 387, 573, 801, 1161, 1719, 2403, 3827, 5157, 8213, 11481, 16999, 24639, 34443, 50997, 73917, 103329, 152991, 221751, 458973, 730957, 2192871, 6578613, 19735839]

約数ペア:

[(1, 19735839), (3, 6578613), (9, 2192871), (27, 730957), (43, 458973), (89, 221751), (129, 152991), (191, 103329), (267, 73917), (387, 50997), (573, 34443), (801, 24639), (1161, 16999), (1719, 11481), (2403, 8213), (3827, 5157)]