19003923211

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2447}}^1\times {\mathrm{2753}}^1$

素因数の和:5251

約数の個数: 32

約数和(自身を含む): 24162582528

約数和(自身を除く): 5158659317

約数列:

[1, 7, 13, 31, 91, 217, 403, 2447, 2753, 2821, 17129, 19271, 31811, 35789, 75857, 85343, 222677, 250523, 530999, 597401, 986141, 1109459, 6736591, 6902987, 7766213, 47156137, 87575683, 208834321, 613029781, 1461840247, 2714846173, 19003923211]

約数ペア:

[(1, 19003923211), (7, 2714846173), (13, 1461840247), (31, 613029781), (91, 208834321), (217, 87575683), (403, 47156137), (2447, 7766213), (2753, 6902987), (2821, 6736591), (17129, 1109459), (19271, 986141), (31811, 597401), (35789, 530999), (75857, 250523), (85343, 222677)]