18734551

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 22503600

約数和(自身を除く): 3769049

約数列:

[1, 11, 19, 29, 121, 209, 281, 319, 551, 2299, 3091, 3509, 5339, 6061, 8149, 34001, 58729, 66671, 89639, 154831, 646019, 986029, 1703141, 18734551]

約数ペア:

[(1, 18734551), (11, 1703141), (19, 986029), (29, 646019), (121, 154831), (209, 89639), (281, 66671), (319, 58729), (551, 34001), (2299, 8149), (3091, 6061), (3509, 5339)]