19542610

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17929}}^1$

素因数の和:18045

約数の個数: 16

約数和(自身を含む): 35501400

約数和(自身を除く): 15958790

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 17929, 35858, 89645, 179290, 1954261, 3908522, 9771305, 19542610]

約数ペア:

[(1, 19542610), (2, 9771305), (5, 3908522), (10, 1954261), (109, 179290), (218, 89645), (545, 35858), (1090, 17929)]