19669738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{38873}}^1$

素因数の和:38909

約数の個数: 16

約数和(自身を含む): 33587136

約数和(自身を除く): 13917398

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 38873, 77746, 427603, 855206, 894079, 1788158, 9834869, 19669738]

約数ペア:

[(1, 19669738), (2, 9834869), (11, 1788158), (22, 894079), (23, 855206), (46, 427603), (253, 77746), (506, 38873)]