19763703

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 11282697

約数列:

[1, 3, 9, 27, 29, 43, 87, 129, 261, 387, 587, 783, 1161, 1247, 1761, 3741, 5283, 11223, 15849, 17023, 25241, 33669, 51069, 75723, 153207, 227169, 459621, 681507, 731989, 2195967, 6587901, 19763703]

約数ペア:

[(1, 19763703), (3, 6587901), (9, 2195967), (27, 731989), (29, 681507), (43, 459621), (87, 227169), (129, 153207), (261, 75723), (387, 51069), (587, 33669), (783, 25241), (1161, 17023), (1247, 15849), (1761, 11223), (3741, 5283)]