19973074

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{3617}}^1$

素因数の和:3881

約数の個数: 16

約数和(自身を含む): 32822496

約数和(自身を除く): 12849422

約数列:

[1, 2, 11, 22, 251, 502, 2761, 3617, 5522, 7234, 39787, 79574, 907867, 1815734, 9986537, 19973074]

約数ペア:

[(1, 19973074), (2, 9986537), (11, 1815734), (22, 907867), (251, 79574), (502, 39787), (2761, 7234), (3617, 5522)]