19471749

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 30533760

約数和(自身を除く): 11062011

約数列:

[1, 3, 11, 17, 33, 51, 61, 183, 187, 561, 569, 671, 1037, 1707, 2013, 3111, 6259, 9673, 11407, 18777, 29019, 34221, 34709, 104127, 106403, 319209, 381799, 590053, 1145397, 1770159, 6490583, 19471749]

約数ペア:

[(1, 19471749), (3, 6490583), (11, 1770159), (17, 1145397), (33, 590053), (51, 381799), (61, 319209), (183, 106403), (187, 104127), (561, 34709), (569, 34221), (671, 29019), (1037, 18777), (1707, 11407), (2013, 9673), (3111, 6259)]