18587590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2027}}^1$

素因数の和:2172

約数の個数: 32

約数和(自身を含む): 38548224

約数和(自身を除く): 19960634

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 655, 917, 1310, 1834, 2027, 4054, 4585, 9170, 10135, 14189, 20270, 28378, 70945, 141890, 265537, 531074, 1327685, 1858759, 2655370, 3717518, 9293795, 18587590]

約数ペア:

[(1, 18587590), (2, 9293795), (5, 3717518), (7, 2655370), (10, 1858759), (14, 1327685), (35, 531074), (70, 265537), (131, 141890), (262, 70945), (655, 28378), (917, 20270), (1310, 14189), (1834, 10135), (2027, 9170), (4054, 4585)]