19998977992

素因数分解:

$2^3\times 7^2\times {\mathrm{51017801}}^1$

素因数の和:51017821

約数の個数: 24

約数和(自身を含む): 43620220710

約数和(自身を除く): 23621242718

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 51017801, 102035602, 204071204, 357124607, 408142408, 714249214, 1428498428, 2499872249, 2856996856, 4999744498, 9999488996, 19998977992]

約数ペア:

[(1, 19998977992), (2, 9999488996), (4, 4999744498), (7, 2856996856), (8, 2499872249), (14, 1428498428), (28, 714249214), (49, 408142408), (56, 357124607), (98, 204071204), (196, 102035602), (392, 51017801)]