19257831

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10337}}^1$

素因数の和:10372

約数の個数: 20

約数和(自身を含む): 30021552

約数和(自身を除く): 10763721

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10337, 31011, 93033, 237751, 279099, 713253, 837297, 2139759, 6419277, 19257831]

約数ペア:

[(1, 19257831), (3, 6419277), (9, 2139759), (23, 837297), (27, 713253), (69, 279099), (81, 237751), (207, 93033), (621, 31011), (1863, 10337)]