19806675

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1217}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 38664192

約数和(自身を除く): 18857517

約数列:

[1, 3, 5, 7, 15, 21, 25, 31, 35, 75, 93, 105, 155, 175, 217, 465, 525, 651, 775, 1085, 1217, 2325, 3255, 3651, 5425, 6085, 8519, 16275, 18255, 25557, 30425, 37727, 42595, 91275, 113181, 127785, 188635, 212975, 264089, 565905, 638925, 792267, 943175, 1320445, 2829525, 3961335, 6602225, 19806675]

約数ペア:

[(1, 19806675), (3, 6602225), (5, 3961335), (7, 2829525), (15, 1320445), (21, 943175), (25, 792267), (31, 638925), (35, 565905), (75, 264089), (93, 212975), (105, 188635), (155, 127785), (175, 113181), (217, 91275), (465, 42595), (525, 37727), (651, 30425), (775, 25557), (1085, 18255), (1217, 16275), (2325, 8519), (3255, 6085), (3651, 5425)]