18951639

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^2\times {\mathrm{131}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 29453952

約数和(自身を除く): 10502313

約数列:

[1, 3, 7, 21, 83, 131, 249, 393, 581, 917, 1743, 2751, 6889, 10873, 20667, 32619, 48223, 76111, 144669, 228333, 902459, 2707377, 6317213, 18951639]

約数ペア:

[(1, 18951639), (3, 6317213), (7, 2707377), (21, 902459), (83, 228333), (131, 144669), (249, 76111), (393, 48223), (581, 32619), (917, 20667), (1743, 10873), (2751, 6889)]