18921916419

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{251197}}^1$

素因数の和:251435

約数の個数: 32

約数和(自身を含む): 30674290176

約数和(自身を除く): 11752373757

約数列:

[1, 3, 7, 17, 21, 51, 119, 211, 357, 633, 1477, 3587, 4431, 10761, 25109, 75327, 251197, 753591, 1758379, 4270349, 5275137, 12811047, 29892443, 53002567, 89677329, 159007701, 371017969, 901043639, 1113053907, 2703130917, 6307305473, 18921916419]

約数ペア:

[(1, 18921916419), (3, 6307305473), (7, 2703130917), (17, 1113053907), (21, 901043639), (51, 371017969), (119, 159007701), (211, 89677329), (357, 53002567), (633, 29892443), (1477, 12811047), (3587, 5275137), (4431, 4270349), (10761, 1758379), (25109, 753591), (75327, 251197)]