18657142

素因数分解:

$2^1\times 7^3\times {\mathrm{27197}}^1$

素因数の和:27220

約数の個数: 16

約数和(自身を含む): 32637600

約数和(自身を除く): 13980458

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 27197, 54394, 190379, 380758, 1332653, 2665306, 9328571, 18657142]

約数ペア:

[(1, 18657142), (2, 9328571), (7, 2665306), (14, 1332653), (49, 380758), (98, 190379), (343, 54394), (686, 27197)]