19749453

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{983}}^1$

素因数の和:1204

約数の個数: 16

約数和(自身を含む): 27221376

約数和(自身を除く): 7471923

約数列:

[1, 3, 37, 111, 181, 543, 983, 2949, 6697, 20091, 36371, 109113, 177923, 533769, 6583151, 19749453]

約数ペア:

[(1, 19749453), (3, 6583151), (37, 533769), (111, 177923), (181, 109113), (543, 36371), (983, 20091), (2949, 6697)]