19823570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4919}}^1$

素因数の和:4970

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 19851310

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4919, 9838, 24595, 49190, 63947, 127894, 152489, 304978, 319735, 639470, 762445, 1524890, 1982357, 3964714, 9911785, 19823570]

約数ペア:

[(1, 19823570), (2, 9911785), (5, 3964714), (10, 1982357), (13, 1524890), (26, 762445), (31, 639470), (62, 319735), (65, 304978), (130, 152489), (155, 127894), (310, 63947), (403, 49190), (806, 24595), (2015, 9838), (4030, 4919)]