18478140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{307969}}^1$

素因数の和:307981

約数の個数: 24

約数和(自身を含む): 51738960

約数和(自身を除く): 33260820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 307969, 615938, 923907, 1231876, 1539845, 1847814, 3079690, 3695628, 4619535, 6159380, 9239070, 18478140]

約数ペア:

[(1, 18478140), (2, 9239070), (3, 6159380), (4, 4619535), (5, 3695628), (6, 3079690), (10, 1847814), (12, 1539845), (15, 1231876), (20, 923907), (30, 615938), (60, 307969)]