19671363

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{2521}}^1$

素因数の和:2564

約数の個数: 24

約数和(自身を含む): 30970160

約数和(自身を除く): 11298797

約数列:

[1, 3, 9, 17, 27, 51, 153, 289, 459, 867, 2521, 2601, 7563, 7803, 22689, 42857, 68067, 128571, 385713, 728569, 1157139, 2185707, 6557121, 19671363]

約数ペア:

[(1, 19671363), (3, 6557121), (9, 2185707), (17, 1157139), (27, 728569), (51, 385713), (153, 128571), (289, 68067), (459, 42857), (867, 22689), (2521, 7803), (2601, 7563)]