19476985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 27775872

約数和(自身を除く): 8298887

約数列:

[1, 5, 11, 17, 37, 55, 85, 185, 187, 407, 563, 629, 935, 2035, 2815, 3145, 6193, 6919, 9571, 20831, 30965, 34595, 47855, 104155, 105281, 229141, 354127, 526405, 1145705, 1770635, 3895397, 19476985]

約数ペア:

[(1, 19476985), (5, 3895397), (11, 1770635), (17, 1145705), (37, 526405), (55, 354127), (85, 229141), (185, 105281), (187, 104155), (407, 47855), (563, 34595), (629, 30965), (935, 20831), (2035, 9571), (2815, 6919), (3145, 6193)]