19202553

素因数分解:

$3^2\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:166

約数の個数: 36

約数和(自身を含む): 29892720

約数和(自身を除く): 10690167

約数列:

[1, 3, 9, 29, 43, 59, 87, 129, 177, 261, 387, 531, 841, 1247, 1711, 2523, 2537, 3741, 5133, 7569, 7611, 11223, 15399, 22833, 36163, 49619, 73573, 108489, 148857, 220719, 325467, 446571, 662157, 2133617, 6400851, 19202553]

約数ペア:

[(1, 19202553), (3, 6400851), (9, 2133617), (29, 662157), (43, 446571), (59, 325467), (87, 220719), (129, 148857), (177, 108489), (261, 73573), (387, 49619), (531, 36163), (841, 22833), (1247, 15399), (1711, 11223), (2523, 7611), (2537, 7569), (3741, 5133)]