19672515

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3191}}^1$

素因数の和:3339

約数の個数: 24

約数和(自身を含む): 34358688

約数和(自身を除く): 14686173

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 3191, 6165, 9573, 15955, 28719, 47865, 143595, 437167, 1311501, 2185835, 3934503, 6557505, 19672515]

約数ペア:

[(1, 19672515), (3, 6557505), (5, 3934503), (9, 2185835), (15, 1311501), (45, 437167), (137, 143595), (411, 47865), (685, 28719), (1233, 15955), (2055, 9573), (3191, 6165)]