18611978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{10987}}^1$

素因数の和:11018

約数の個数: 24

約数和(自身を含む): 35073696

約数和(自身を除く): 16461718

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 10987, 21974, 76909, 120857, 153818, 241714, 845999, 1329427, 1691998, 2658854, 9305989, 18611978]

約数ペア:

[(1, 18611978), (2, 9305989), (7, 2658854), (11, 1691998), (14, 1329427), (22, 845999), (77, 241714), (121, 153818), (154, 120857), (242, 76909), (847, 21974), (1694, 10987)]