19197321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{613}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 30532992

約数和(自身を除く): 11335671

約数列:

[1, 3, 11, 13, 33, 39, 73, 143, 219, 429, 613, 803, 949, 1839, 2409, 2847, 6743, 7969, 10439, 20229, 23907, 31317, 44749, 87659, 134247, 262977, 492239, 581737, 1476717, 1745211, 6399107, 19197321]

約数ペア:

[(1, 19197321), (3, 6399107), (11, 1745211), (13, 1476717), (33, 581737), (39, 492239), (73, 262977), (143, 134247), (219, 87659), (429, 44749), (613, 31317), (803, 23907), (949, 20229), (1839, 10439), (2409, 7969), (2847, 6743)]