19885976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{225977}}^1$

素因数の和:225994

約数の個数: 16

約数和(自身を含む): 40676040

約数和(自身を除く): 20790064

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 225977, 451954, 903908, 1807816, 2485747, 4971494, 9942988, 19885976]

約数ペア:

[(1, 19885976), (2, 9942988), (4, 4971494), (8, 2485747), (11, 1807816), (22, 903908), (44, 451954), (88, 225977)]