19430529

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{727}}^1$

素因数の和:940

約数の個数: 16

約数和(自身を含む): 26557440

約数和(自身を除く): 7126911

約数列:

[1, 3, 59, 151, 177, 453, 727, 2181, 8909, 26727, 42893, 109777, 128679, 329331, 6476843, 19430529]

約数ペア:

[(1, 19430529), (3, 6476843), (59, 329331), (151, 128679), (177, 109777), (453, 42893), (727, 26727), (2181, 8909)]