19533987

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:848

約数の個数: 32

約数和(自身を含む): 31968000

約数和(自身を除く): 12434013

約数列:

[1, 3, 9, 11, 27, 33, 89, 99, 267, 297, 739, 801, 979, 2217, 2403, 2937, 6651, 8129, 8811, 19953, 24387, 26433, 65771, 73161, 197313, 219483, 591939, 723481, 1775817, 2170443, 6511329, 19533987]

約数ペア:

[(1, 19533987), (3, 6511329), (9, 2170443), (11, 1775817), (27, 723481), (33, 591939), (89, 219483), (99, 197313), (267, 73161), (297, 65771), (739, 26433), (801, 24387), (979, 19953), (2217, 8811), (2403, 8129), (2937, 6651)]