19705305

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1367}}^1$

素因数の和:1437

約数の個数: 24

約数和(自身を含む): 32602176

約数和(自身を除く): 12896871

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 961, 1367, 2883, 4101, 4805, 6835, 14415, 20505, 42377, 127131, 211885, 635655, 1313687, 3941061, 6568435, 19705305]

約数ペア:

[(1, 19705305), (3, 6568435), (5, 3941061), (15, 1313687), (31, 635655), (93, 211885), (155, 127131), (465, 42377), (961, 20505), (1367, 14415), (2883, 6835), (4101, 4805)]