1915691186

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1\times {\mathrm{20981}}^1$

素因数の和:21697

約数の個数: 16

約数和(自身を含む): 2918680128

約数和(自身を除く): 1002988942

約数列:

[1, 2, 71, 142, 643, 1286, 20981, 41962, 45653, 91306, 1489651, 2979302, 13490783, 26981566, 957845593, 1915691186]

約数ペア:

[(1, 1915691186), (2, 957845593), (71, 26981566), (142, 13490783), (643, 2979302), (1286, 1489651), (20981, 91306), (41962, 45653)]