19190823

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{881}}^1$

素因数の和:1074

約数の個数: 16

約数和(自身を含む): 26290656

約数和(自身を除く): 7099833

約数列:

[1, 3, 53, 137, 159, 411, 881, 2643, 7261, 21783, 46693, 120697, 140079, 362091, 6396941, 19190823]

約数ペア:

[(1, 19190823), (3, 6396941), (53, 362091), (137, 140079), (159, 120697), (411, 46693), (881, 21783), (2643, 7261)]