18780946

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{739}}^1$

素因数の和:969

約数の個数: 16

約数和(自身を含む): 28717920

約数和(自身を除く): 9936974

約数列:

[1, 2, 97, 131, 194, 262, 739, 1478, 12707, 25414, 71683, 96809, 143366, 193618, 9390473, 18780946]

約数ペア:

[(1, 18780946), (2, 9390473), (97, 193618), (131, 143366), (194, 96809), (262, 71683), (739, 25414), (1478, 12707)]