19706533

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6917}}^1$

素因数の和:6972

約数の個数: 16

約数和(自身を含む): 25236864

約数和(自身を除く): 5530331

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 6917, 48419, 76087, 255929, 532609, 1791503, 2815219, 19706533]

約数ペア:

[(1, 19706533), (7, 2815219), (11, 1791503), (37, 532609), (77, 255929), (259, 76087), (407, 48419), (2849, 6917)]