16921638

素因数分解:

$2^1\times 3^2\times {\mathrm{647}}^1\times {\mathrm{1453}}^1$

素因数の和:2108

約数の個数: 24

約数和(自身を含む): 36745488

約数和(自身を除く): 19823850

約数列:

[1, 2, 3, 6, 9, 18, 647, 1294, 1453, 1941, 2906, 3882, 4359, 5823, 8718, 11646, 13077, 26154, 940091, 1880182, 2820273, 5640546, 8460819, 16921638]

約数ペア:

[(1, 16921638), (2, 8460819), (3, 5640546), (6, 2820273), (9, 1880182), (18, 940091), (647, 26154), (1294, 13077), (1453, 11646), (1941, 8718), (2906, 5823), (3882, 4359)]