19556901

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23879}}^1$

素因数の和:23905

約数の個数: 24

約数和(自身を含む): 34769280

約数和(自身を除く): 15212379

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 23879, 71637, 167153, 214911, 310427, 501459, 931281, 1504377, 2172989, 2793843, 6518967, 19556901]

約数ペア:

[(1, 19556901), (3, 6518967), (7, 2793843), (9, 2172989), (13, 1504377), (21, 931281), (39, 501459), (63, 310427), (91, 214911), (117, 167153), (273, 71637), (819, 23879)]