19910608

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{12829}}^1$

素因数の和:12934

約数の個数: 20

約数和(自身を含む): 38977540

約数和(自身を除く): 19066932

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 12829, 25658, 51316, 102632, 205264, 1244413, 2488826, 4977652, 9955304, 19910608]

約数ペア:

[(1, 19910608), (2, 9955304), (4, 4977652), (8, 2488826), (16, 1244413), (97, 205264), (194, 102632), (388, 51316), (776, 25658), (1552, 12829)]