19781394

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2377}}^1$

素因数の和:2474

約数の個数: 32

約数和(自身を含む): 42233280

約数和(自身を除く): 22451886

約数列:

[1, 2, 3, 6, 19, 38, 57, 73, 114, 146, 219, 438, 1387, 2377, 2774, 4161, 4754, 7131, 8322, 14262, 45163, 90326, 135489, 173521, 270978, 347042, 520563, 1041126, 3296899, 6593798, 9890697, 19781394]

約数ペア:

[(1, 19781394), (2, 9890697), (3, 6593798), (6, 3296899), (19, 1041126), (38, 520563), (57, 347042), (73, 270978), (114, 173521), (146, 135489), (219, 90326), (438, 45163), (1387, 14262), (2377, 8322), (2774, 7131), (4161, 4754)]