19876112

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{26431}}^1$

素因数の和:26486

約数の個数: 20

約数和(自身を含む): 39330816

約数和(自身を除く): 19454704

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 26431, 52862, 105724, 211448, 422896, 1242257, 2484514, 4969028, 9938056, 19876112]

約数ペア:

[(1, 19876112), (2, 9938056), (4, 4969028), (8, 2484514), (16, 1242257), (47, 422896), (94, 211448), (188, 105724), (376, 52862), (752, 26431)]