19428399

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5521}}^1$

素因数の和:5567

約数の個数: 24

約数和(自身を含む): 31011552

約数和(自身を除く): 11583153

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 5521, 16563, 49689, 93857, 126983, 281571, 380949, 844713, 1142847, 2158711, 6476133, 19428399]

約数ペア:

[(1, 19428399), (3, 6476133), (9, 2158711), (17, 1142847), (23, 844713), (51, 380949), (69, 281571), (153, 126983), (207, 93857), (391, 49689), (1173, 16563), (3519, 5521)]