19269009

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10343}}^1$

素因数の和:10378

約数の個数: 20

約数和(自身を含む): 30038976

約数和(自身を除く): 10769967

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10343, 31029, 93087, 237889, 279261, 713667, 837783, 2141001, 6423003, 19269009]

約数ペア:

[(1, 19269009), (3, 6423003), (9, 2141001), (23, 837783), (27, 713667), (69, 279261), (81, 237889), (207, 93087), (621, 31029), (1863, 10343)]