19829912

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{27851}}^1$

素因数の和:27946

約数の個数: 16

約数和(自身を含む): 37600200

約数和(自身を除く): 17770288

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 27851, 55702, 111404, 222808, 2478739, 4957478, 9914956, 19829912]

約数ペア:

[(1, 19829912), (2, 9914956), (4, 4957478), (8, 2478739), (89, 222808), (178, 111404), (356, 55702), (712, 27851)]