19198340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137131}}^1$

素因数の和:137147

約数の個数: 24

約数和(自身を含む): 46076352

約数和(自身を除く): 26878012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137131, 274262, 548524, 685655, 959917, 1371310, 1919834, 2742620, 3839668, 4799585, 9599170, 19198340]

約数ペア:

[(1, 19198340), (2, 9599170), (4, 4799585), (5, 3839668), (7, 2742620), (10, 1919834), (14, 1371310), (20, 959917), (28, 685655), (35, 548524), (70, 274262), (140, 137131)]