19826191

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6959}}^1$

素因数の和:7014

約数の個数: 16

約数和(自身を含む): 25390080

約数和(自身を除く): 5563889

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 6959, 48713, 76549, 257483, 535843, 1802381, 2832313, 19826191]

約数ペア:

[(1, 19826191), (7, 2832313), (11, 1802381), (37, 535843), (77, 257483), (259, 76549), (407, 48713), (2849, 6959)]