19553485

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 28926720

約数和(自身を除く): 9373235

約数列:

[1, 5, 7, 17, 35, 59, 85, 119, 295, 413, 557, 595, 1003, 2065, 2785, 3899, 5015, 7021, 9469, 19495, 32863, 35105, 47345, 66283, 164315, 230041, 331415, 558671, 1150205, 2793355, 3910697, 19553485]

約数ペア:

[(1, 19553485), (5, 3910697), (7, 2793355), (17, 1150205), (35, 558671), (59, 331415), (85, 230041), (119, 164315), (295, 66283), (413, 47345), (557, 35105), (595, 32863), (1003, 19495), (2065, 9469), (2785, 7021), (3899, 5015)]