19198760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{68567}}^1$

素因数の和:68585

約数の個数: 32

約数和(自身を含む): 49368960

約数和(自身を除く): 30170200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 68567, 137134, 274268, 342835, 479969, 548536, 685670, 959938, 1371340, 1919876, 2399845, 2742680, 3839752, 4799690, 9599380, 19198760]

約数ペア:

[(1, 19198760), (2, 9599380), (4, 4799690), (5, 3839752), (7, 2742680), (8, 2399845), (10, 1919876), (14, 1371340), (20, 959938), (28, 685670), (35, 548536), (40, 479969), (56, 342835), (70, 274268), (140, 137134), (280, 68567)]