18971842

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{5147}}^1$

素因数の和:5265

約数の個数: 16

約数和(自身を含む): 30270240

約数和(自身を除く): 11298398

約数列:

[1, 2, 19, 38, 97, 194, 1843, 3686, 5147, 10294, 97793, 195586, 499259, 998518, 9485921, 18971842]

約数ペア:

[(1, 18971842), (2, 9485921), (19, 998518), (38, 499259), (97, 195586), (194, 97793), (1843, 10294), (3686, 5147)]