18781396

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1543}}^1$

素因数の和:1743

約数の個数: 24

約数和(自身を含む): 35017920

約数和(自身を除く): 16236524

約数列:

[1, 2, 4, 17, 34, 68, 179, 358, 716, 1543, 3043, 3086, 6086, 6172, 12172, 26231, 52462, 104924, 276197, 552394, 1104788, 4695349, 9390698, 18781396]

約数ペア:

[(1, 18781396), (2, 9390698), (4, 4695349), (17, 1104788), (34, 552394), (68, 276197), (179, 104924), (358, 52462), (716, 26231), (1543, 12172), (3043, 6172), (3086, 6086)]