19851478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4457}}^1$

素因数の和:4607

約数の個数: 16

約数和(自身を含む): 31776624

約数和(自身を除く): 11925146

約数列:

[1, 2, 17, 34, 131, 262, 2227, 4454, 4457, 8914, 75769, 151538, 583867, 1167734, 9925739, 19851478]

約数ペア:

[(1, 19851478), (2, 9925739), (17, 1167734), (34, 583867), (131, 151538), (262, 75769), (2227, 8914), (4454, 4457)]