19802331

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4463}}^1$

素因数の和:4515

約数の個数: 24

約数和(自身を含む): 31337280

約数和(自身を除く): 11534949

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 4463, 13389, 40167, 75871, 129427, 227613, 388281, 682839, 1164843, 2200259, 6600777, 19802331]

約数ペア:

[(1, 19802331), (3, 6600777), (9, 2200259), (17, 1164843), (29, 682839), (51, 388281), (87, 227613), (153, 129427), (261, 75871), (493, 40167), (1479, 13389), (4437, 4463)]