81618262

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{195259}}^1$

素因数の和:195291

約数の個数: 16

約数和(自身を含む): 140587200

約数和(自身を除く): 58968938

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 195259, 390518, 2147849, 3709921, 4295698, 7419842, 40809131, 81618262]

約数ペア:

[(1, 81618262), (2, 40809131), (11, 7419842), (19, 4295698), (22, 3709921), (38, 2147849), (209, 390518), (418, 195259)]