18998940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{316649}}^1$

素因数の和:316661

約数の個数: 24

約数和(自身を含む): 53197200

約数和(自身を除く): 34198260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 316649, 633298, 949947, 1266596, 1583245, 1899894, 3166490, 3799788, 4749735, 6332980, 9499470, 18998940]

約数ペア:

[(1, 18998940), (2, 9499470), (3, 6332980), (4, 4749735), (5, 3799788), (6, 3166490), (10, 1899894), (12, 1583245), (15, 1266596), (20, 949947), (30, 633298), (60, 316649)]