19909628

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{571}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 36516480

約数和(自身を除く): 16606852

約数列:

[1, 2, 4, 23, 46, 92, 379, 571, 758, 1142, 1516, 2284, 8717, 13133, 17434, 26266, 34868, 52532, 216409, 432818, 865636, 4977407, 9954814, 19909628]

約数ペア:

[(1, 19909628), (2, 9954814), (4, 4977407), (23, 865636), (46, 432818), (92, 216409), (379, 52532), (571, 34868), (758, 26266), (1142, 17434), (1516, 13133), (2284, 8717)]