19366984390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3391}}^1\times {\mathrm{43933}}^1$

素因数の和:47344

約数の個数: 32

約数和(自身を含む): 37554080256

約数和(自身を除く): 18187095866

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 3391, 6782, 16955, 33910, 43933, 44083, 87866, 88166, 219665, 220415, 439330, 440830, 571129, 1142258, 2855645, 5711290, 148976803, 297953606, 744884015, 1489768030, 1936698439, 3873396878, 9683492195, 19366984390]

約数ペア:

[(1, 19366984390), (2, 9683492195), (5, 3873396878), (10, 1936698439), (13, 1489768030), (26, 744884015), (65, 297953606), (130, 148976803), (3391, 5711290), (6782, 2855645), (16955, 1142258), (33910, 571129), (43933, 440830), (44083, 439330), (87866, 220415), (88166, 219665)]