19742404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3533}}^1$

素因数の和:3675

約数の個数: 24

約数和(自身を含む): 37997568

約数和(自身を除く): 18255164

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 3533, 5588, 7066, 14132, 38863, 77726, 155452, 448691, 897382, 1794764, 4935601, 9871202, 19742404]

約数ペア:

[(1, 19742404), (2, 9871202), (4, 4935601), (11, 1794764), (22, 897382), (44, 448691), (127, 155452), (254, 77726), (508, 38863), (1397, 14132), (2794, 7066), (3533, 5588)]