19099881

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{6373}}^1$

素因数の和:6422

約数の個数: 20

約数和(自身を含む): 29307652

約数和(自身を除く): 10207771

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 6373, 19119, 57357, 172071, 235801, 516213, 707403, 2122209, 6366627, 19099881]

約数ペア:

[(1, 19099881), (3, 6366627), (9, 2122209), (27, 707403), (37, 516213), (81, 235801), (111, 172071), (333, 57357), (999, 19119), (2997, 6373)]