2019438340

素因数分解:

$2^2\times 5^1\times {\mathrm{100971917}}^1$

素因数の和:100971926

約数の個数: 12

約数和(自身を含む): 4240820556

約数和(自身を除く): 2221382216

約数列:

[1, 2, 4, 5, 10, 20, 100971917, 201943834, 403887668, 504859585, 1009719170, 2019438340]

約数ペア:

[(1, 2019438340), (2, 1009719170), (4, 504859585), (5, 403887668), (10, 201943834), (20, 100971917)]