18963129

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 27688320

約数和(自身を除く): 8725191

約数列:

[1, 3, 29, 37, 43, 87, 111, 129, 137, 411, 1073, 1247, 1591, 3219, 3741, 3973, 4773, 5069, 5891, 11919, 15207, 17673, 46139, 138417, 147001, 170839, 217967, 441003, 512517, 653901, 6321043, 18963129]

約数ペア:

[(1, 18963129), (3, 6321043), (29, 653901), (37, 512517), (43, 441003), (87, 217967), (111, 170839), (129, 147001), (137, 138417), (411, 46139), (1073, 17673), (1247, 15207), (1591, 11919), (3219, 5891), (3741, 5069), (3973, 4773)]