18837270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{673}}^1$

素因数の和:997

約数の個数: 48

約数和(自身を含む): 49207392

約数和(自身を除く): 30370122

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 311, 622, 673, 933, 1346, 1555, 1866, 2019, 2799, 3110, 3365, 4038, 4665, 5598, 6057, 6730, 9330, 10095, 12114, 13995, 20190, 27990, 30285, 60570, 209303, 418606, 627909, 1046515, 1255818, 1883727, 2093030, 3139545, 3767454, 6279090, 9418635, 18837270]

約数ペア:

[(1, 18837270), (2, 9418635), (3, 6279090), (5, 3767454), (6, 3139545), (9, 2093030), (10, 1883727), (15, 1255818), (18, 1046515), (30, 627909), (45, 418606), (90, 209303), (311, 60570), (622, 30285), (673, 27990), (933, 20190), (1346, 13995), (1555, 12114), (1866, 10095), (2019, 9330), (2799, 6730), (3110, 6057), (3365, 5598), (4038, 4665)]