18928827

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{613}}^1$

素因数の和:739

約数の個数: 24

約数和(自身を含む): 28352064

約数和(自身を除く): 9423237

約数列:

[1, 3, 9, 47, 73, 141, 219, 423, 613, 657, 1839, 3431, 5517, 10293, 28811, 30879, 44749, 86433, 134247, 259299, 402741, 2103203, 6309609, 18928827]

約数ペア:

[(1, 18928827), (3, 6309609), (9, 2103203), (47, 402741), (73, 259299), (141, 134247), (219, 86433), (423, 44749), (613, 30879), (657, 28811), (1839, 10293), (3431, 5517)]