18054420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2297}}^1$

素因数の和:2440

約数の個数: 48

約数和(自身を含む): 50960448

約数和(自身を除く): 32906028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2297, 2620, 3930, 4594, 6891, 7860, 9188, 11485, 13782, 22970, 27564, 34455, 45940, 68910, 137820, 300907, 601814, 902721, 1203628, 1504535, 1805442, 3009070, 3610884, 4513605, 6018140, 9027210, 18054420]

約数ペア:

[(1, 18054420), (2, 9027210), (3, 6018140), (4, 4513605), (5, 3610884), (6, 3009070), (10, 1805442), (12, 1504535), (15, 1203628), (20, 902721), (30, 601814), (60, 300907), (131, 137820), (262, 68910), (393, 45940), (524, 34455), (655, 27564), (786, 22970), (1310, 13782), (1572, 11485), (1965, 9188), (2297, 7860), (2620, 6891), (3930, 4594)]