19756342

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{1223}}^1$

素因数の和:1463

約数の個数: 16

約数和(自身を含む): 30536352

約数和(自身を除く): 10780010

約数列:

[1, 2, 41, 82, 197, 394, 1223, 2446, 8077, 16154, 50143, 100286, 240931, 481862, 9878171, 19756342]

約数ペア:

[(1, 19756342), (2, 9878171), (41, 481862), (82, 240931), (197, 100286), (394, 50143), (1223, 16154), (2446, 8077)]