19744714

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{6551}}^1$

素因数の和:6701

約数の個数: 16

約数和(自身を含む): 32550336

約数和(自身を除く): 12805622

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 6551, 13102, 72061, 144122, 897487, 1794974, 9872357, 19744714]

約数ペア:

[(1, 19744714), (2, 9872357), (11, 1794974), (22, 897487), (137, 144122), (274, 72061), (1507, 13102), (3014, 6551)]