19764115

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{563}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 29237760

約数和(自身を除く): 9473645

約数列:

[1, 5, 7, 17, 35, 59, 85, 119, 295, 413, 563, 595, 1003, 2065, 2815, 3941, 5015, 7021, 9571, 19705, 33217, 35105, 47855, 66997, 166085, 232519, 334985, 564689, 1162595, 2823445, 3952823, 19764115]

約数ペア:

[(1, 19764115), (5, 3952823), (7, 2823445), (17, 1162595), (35, 564689), (59, 334985), (85, 232519), (119, 166085), (295, 66997), (413, 47855), (563, 35105), (595, 33217), (1003, 19705), (2065, 9571), (2815, 7021), (3941, 5015)]