18995097

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 29067264

約数和(自身を除く): 10072167

約数列:

[1, 3, 11, 33, 37, 47, 111, 141, 331, 407, 517, 993, 1221, 1551, 1739, 3641, 5217, 10923, 12247, 15557, 19129, 36741, 46671, 57387, 134717, 171127, 404151, 513381, 575609, 1726827, 6331699, 18995097]

約数ペア:

[(1, 18995097), (3, 6331699), (11, 1726827), (33, 575609), (37, 513381), (47, 404151), (111, 171127), (141, 134717), (331, 57387), (407, 46671), (517, 36741), (993, 19129), (1221, 15557), (1551, 12247), (1739, 10923), (3641, 5217)]