18863829

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{887}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 29090880

約数和(自身を除く): 10227051

約数列:

[1, 3, 9, 17, 51, 139, 153, 417, 887, 1251, 2363, 2661, 7089, 7983, 15079, 21267, 45237, 123293, 135711, 369879, 1109637, 2095981, 6287943, 18863829]

約数ペア:

[(1, 18863829), (3, 6287943), (9, 2095981), (17, 1109637), (51, 369879), (139, 135711), (153, 123293), (417, 45237), (887, 21267), (1251, 15079), (2363, 7983), (2661, 7089)]