19418643

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{8081}}^1$

素因数の和:8179

約数の個数: 16

約数和(自身を含む): 29095200

約数和(自身を除く): 9676557

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 8081, 24243, 72729, 218187, 719209, 2157627, 6472881, 19418643]

約数ペア:

[(1, 19418643), (3, 6472881), (9, 2157627), (27, 719209), (89, 218187), (267, 72729), (801, 24243), (2403, 8081)]