19801638

素因数分解:

$2^1\times 3^3\times {\mathrm{366697}}^1$

素因数の和:366708

約数の個数: 16

約数和(自身を含む): 44003760

約数和(自身を除く): 24202122

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 366697, 733394, 1100091, 2200182, 3300273, 6600546, 9900819, 19801638]

約数ペア:

[(1, 19801638), (2, 9900819), (3, 6600546), (6, 3300273), (9, 2200182), (18, 1100091), (27, 733394), (54, 366697)]