19281327

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 28879872

約数和(自身を除く): 9598545

約数列:

[1, 3, 13, 39, 47, 67, 141, 157, 201, 471, 611, 871, 1833, 2041, 2613, 3149, 6123, 7379, 9447, 10519, 22137, 31557, 40937, 95927, 122811, 136747, 287781, 410241, 494393, 1483179, 6427109, 19281327]

約数ペア:

[(1, 19281327), (3, 6427109), (13, 1483179), (39, 494393), (47, 410241), (67, 287781), (141, 136747), (157, 122811), (201, 95927), (471, 40937), (611, 31557), (871, 22137), (1833, 10519), (2041, 9447), (2613, 7379), (3149, 6123)]