18955510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{937}}^1$

素因数の和:985

約数の個数: 48

約数和(自身を含む): 41467104

約数和(自身を除く): 22511594

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 289, 578, 595, 937, 1190, 1445, 1874, 2023, 2890, 4046, 4685, 6559, 9370, 10115, 13118, 15929, 20230, 31858, 32795, 65590, 79645, 111503, 159290, 223006, 270793, 541586, 557515, 1115030, 1353965, 1895551, 2707930, 3791102, 9477755, 18955510]

約数ペア:

[(1, 18955510), (2, 9477755), (5, 3791102), (7, 2707930), (10, 1895551), (14, 1353965), (17, 1115030), (34, 557515), (35, 541586), (70, 270793), (85, 223006), (119, 159290), (170, 111503), (238, 79645), (289, 65590), (578, 32795), (595, 31858), (937, 20230), (1190, 15929), (1445, 13118), (1874, 10115), (2023, 9370), (2890, 6559), (4046, 4685)]