18523516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2137}}^1$

素因数の和:2349

約数の個数: 24

約数和(自身を含む): 35559216

約数和(自身を除く): 17035700

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2137, 2167, 4274, 4334, 8548, 8668, 23507, 47014, 94028, 420989, 841978, 1683956, 4630879, 9261758, 18523516]

約数ペア:

[(1, 18523516), (2, 9261758), (4, 4630879), (11, 1683956), (22, 841978), (44, 420989), (197, 94028), (394, 47014), (788, 23507), (2137, 8668), (2167, 8548), (4274, 4334)]