19666089

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{499}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 29640000

約数和(自身を除く): 9973911

約数列:

[1, 3, 9, 29, 87, 151, 261, 453, 499, 1359, 1497, 4379, 4491, 13137, 14471, 39411, 43413, 75349, 130239, 226047, 678141, 2185121, 6555363, 19666089]

約数ペア:

[(1, 19666089), (3, 6555363), (9, 2185121), (29, 678141), (87, 226047), (151, 130239), (261, 75349), (453, 43413), (499, 39411), (1359, 14471), (1497, 13137), (4379, 4491)]