19898726

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{1889}}^1$

素因数の和:2143

約数の個数: 16

約数和(自身を含む): 31298400

約数和(自身を除く): 11399674

約数列:

[1, 2, 23, 46, 229, 458, 1889, 3778, 5267, 10534, 43447, 86894, 432581, 865162, 9949363, 19898726]

約数ペア:

[(1, 19898726), (2, 9949363), (23, 865162), (46, 432581), (229, 86894), (458, 43447), (1889, 10534), (3778, 5267)]