19473939

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10453}}^1$

素因数の和:10488

約数の個数: 20

約数和(自身を含む): 30358416

約数和(自身を除く): 10884477

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10453, 31359, 94077, 240419, 282231, 721257, 846693, 2163771, 6491313, 19473939]

約数ペア:

[(1, 19473939), (3, 6491313), (9, 2163771), (23, 846693), (27, 721257), (69, 282231), (81, 240419), (207, 94077), (621, 31359), (1863, 10453)]