19981140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{333019}}^1$

素因数の和:333031

約数の個数: 24

約数和(自身を含む): 55947360

約数和(自身を除く): 35966220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 333019, 666038, 999057, 1332076, 1665095, 1998114, 3330190, 3996228, 4995285, 6660380, 9990570, 19981140]

約数ペア:

[(1, 19981140), (2, 9990570), (3, 6660380), (4, 4995285), (5, 3996228), (6, 3330190), (10, 1998114), (12, 1665095), (15, 1332076), (20, 999057), (30, 666038), (60, 333019)]