19674556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3001}}^1$

素因数の和:3165

約数の個数: 24

約数和(自身を含む): 37825200

約数和(自身を除く): 18150644

約数列:

[1, 2, 4, 11, 22, 44, 149, 298, 596, 1639, 3001, 3278, 6002, 6556, 12004, 33011, 66022, 132044, 447149, 894298, 1788596, 4918639, 9837278, 19674556]

約数ペア:

[(1, 19674556), (2, 9837278), (4, 4918639), (11, 1788596), (22, 894298), (44, 447149), (149, 132044), (298, 66022), (596, 33011), (1639, 12004), (3001, 6556), (3278, 6002)]