18738321

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{1061}}^1$

素因数の和:1129

約数の個数: 24

約数和(自身を含む): 29600064

約数和(自身を除く): 10861743

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 841, 1061, 2523, 3183, 5887, 7427, 17661, 22281, 30769, 92307, 215383, 646149, 892301, 2676903, 6246107, 18738321]

約数ペア:

[(1, 18738321), (3, 6246107), (7, 2676903), (21, 892301), (29, 646149), (87, 215383), (203, 92307), (609, 30769), (841, 22281), (1061, 17661), (2523, 7427), (3183, 5887)]