18556929

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 28197312

約数和(自身を除く): 9640383

約数列:

[1, 3, 9, 23, 69, 157, 207, 471, 571, 1413, 1713, 3611, 5139, 10833, 13133, 32499, 39399, 89647, 118197, 268941, 806823, 2061881, 6185643, 18556929]

約数ペア:

[(1, 18556929), (3, 6185643), (9, 2061881), (23, 806823), (69, 268941), (157, 118197), (207, 89647), (471, 39399), (571, 32499), (1413, 13133), (1713, 10833), (3611, 5139)]