18750920

素因数分解:

$2^3\times 5^1\times {\mathrm{468773}}^1$

素因数の和:468784

約数の個数: 16

約数和(自身を含む): 42189660

約数和(自身を除く): 23438740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 468773, 937546, 1875092, 2343865, 3750184, 4687730, 9375460, 18750920]

約数ペア:

[(1, 18750920), (2, 9375460), (4, 4687730), (5, 3750184), (8, 2343865), (10, 1875092), (20, 937546), (40, 468773)]