19873514

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{991}}^1$

素因数の和:1301

約数の個数: 16

約数和(自身を含む): 30759936

約数和(自身を除く): 10886422

約数列:

[1, 2, 37, 74, 271, 542, 991, 1982, 10027, 20054, 36667, 73334, 268561, 537122, 9936757, 19873514]

約数ペア:

[(1, 19873514), (2, 9936757), (37, 537122), (74, 268561), (271, 73334), (542, 36667), (991, 20054), (1982, 10027)]