15511783996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{204102421}}^1$

素因数の和:204102444

約数の個数: 12

約数和(自身を含む): 28574339080

約数和(自身を除く): 13062555084

約数列:

[1, 2, 4, 19, 38, 76, 204102421, 408204842, 816409684, 3877945999, 7755891998, 15511783996]

約数ペア:

[(1, 15511783996), (2, 7755891998), (4, 3877945999), (19, 816409684), (38, 408204842), (76, 204102421)]