18410820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{306847}}^1$

素因数の和:306859

約数の個数: 24

約数和(自身を含む): 51550464

約数和(自身を除く): 33139644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 306847, 613694, 920541, 1227388, 1534235, 1841082, 3068470, 3682164, 4602705, 6136940, 9205410, 18410820]

約数ペア:

[(1, 18410820), (2, 9205410), (3, 6136940), (4, 4602705), (5, 3682164), (6, 3068470), (10, 1841082), (12, 1534235), (15, 1227388), (20, 920541), (30, 613694), (60, 306847)]