19913823

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{17989}}^1$

素因数の和:18039

約数の個数: 16

約数和(自身を含む): 30223200

約数和(自身を除く): 10309377

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 17989, 53967, 161901, 485703, 737549, 2212647, 6637941, 19913823]

約数ペア:

[(1, 19913823), (3, 6637941), (9, 2212647), (27, 737549), (41, 485703), (123, 161901), (369, 53967), (1107, 17989)]