19697940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109433}}^1$

素因数の和:109448

約数の個数: 36

約数和(自身を含む): 59750964

約数和(自身を除く): 40053024

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 109433, 218866, 328299, 437732, 547165, 656598, 984897, 1094330, 1313196, 1641495, 1969794, 2188660, 3282990, 3939588, 4924485, 6565980, 9848970, 19697940]

約数ペア:

[(1, 19697940), (2, 9848970), (3, 6565980), (4, 4924485), (5, 3939588), (6, 3282990), (9, 2188660), (10, 1969794), (12, 1641495), (15, 1313196), (18, 1094330), (20, 984897), (30, 656598), (36, 547165), (45, 437732), (60, 328299), (90, 218866), (180, 109433)]