19959453

素因数分解:

$3^4\times {\mathrm{29}}^2\times {\mathrm{293}}^1$

素因数の和:363

約数の個数: 30

約数和(自身を含む): 30984954

約数和(自身を除く): 11025501

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 293, 783, 841, 879, 2349, 2523, 2637, 7569, 7911, 8497, 22707, 23733, 25491, 68121, 76473, 229419, 246413, 688257, 739239, 2217717, 6653151, 19959453]

約数ペア:

[(1, 19959453), (3, 6653151), (9, 2217717), (27, 739239), (29, 688257), (81, 246413), (87, 229419), (261, 76473), (293, 68121), (783, 25491), (841, 23733), (879, 22707), (2349, 8497), (2523, 7911), (2637, 7569)]