19306220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56783}}^1$

素因数の和:56809

約数の個数: 24

約数和(自身を含む): 42928704

約数和(自身を除く): 23622484

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 56783, 113566, 227132, 283915, 567830, 965311, 1135660, 1930622, 3861244, 4826555, 9653110, 19306220]

約数ペア:

[(1, 19306220), (2, 9653110), (4, 4826555), (5, 3861244), (10, 1930622), (17, 1135660), (20, 965311), (34, 567830), (68, 283915), (85, 227132), (170, 113566), (340, 56783)]