19663666

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{38861}}^1$

素因数の和:38897

約数の個数: 16

約数和(自身を含む): 33576768

約数和(自身を除く): 13913102

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 38861, 77722, 427471, 854942, 893803, 1787606, 9831833, 19663666]

約数ペア:

[(1, 19663666), (2, 9831833), (11, 1787606), (22, 893803), (23, 854942), (46, 427471), (253, 77722), (506, 38861)]