19201490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2267}}^1$

素因数の和:2303

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 24235246

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 2267, 4235, 4534, 8470, 11335, 15869, 22670, 24937, 31738, 49874, 79345, 124685, 158690, 174559, 249370, 274307, 349118, 548614, 872795, 1371535, 1745590, 1920149, 2743070, 3840298, 9600745, 19201490]

約数ペア:

[(1, 19201490), (2, 9600745), (5, 3840298), (7, 2743070), (10, 1920149), (11, 1745590), (14, 1371535), (22, 872795), (35, 548614), (55, 349118), (70, 274307), (77, 249370), (110, 174559), (121, 158690), (154, 124685), (242, 79345), (385, 49874), (605, 31738), (770, 24937), (847, 22670), (1210, 15869), (1694, 11335), (2267, 8470), (4235, 4534)]