19240977

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{83}}^2$

素因数の和:202

約数の個数: 36

約数和(自身を含む): 31796880

約数和(自身を除く): 12555903

約数列:

[1, 3, 7, 19, 21, 49, 57, 83, 133, 147, 249, 399, 581, 931, 1577, 1743, 2793, 4067, 4731, 6889, 11039, 12201, 20667, 33117, 48223, 77273, 130891, 144669, 231819, 337561, 392673, 916237, 1012683, 2748711, 6413659, 19240977]

約数ペア:

[(1, 19240977), (3, 6413659), (7, 2748711), (19, 1012683), (21, 916237), (49, 392673), (57, 337561), (83, 231819), (133, 144669), (147, 130891), (249, 77273), (399, 48223), (581, 33117), (931, 20667), (1577, 12201), (1743, 11039), (2793, 6889), (4067, 4731)]