18981922934

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{313471}}^1$

素因数の和:313640

約数の個数: 32

約数和(自身を含む): 32703906816

約数和(自身を除く): 13721983882

約数列:

[1, 2, 13, 17, 26, 34, 137, 221, 274, 442, 1781, 2329, 3562, 4658, 30277, 60554, 313471, 626942, 4075123, 5329007, 8150246, 10658014, 42945527, 69277091, 85891054, 138554182, 558291851, 730073959, 1116583702, 1460147918, 9490961467, 18981922934]

約数ペア:

[(1, 18981922934), (2, 9490961467), (13, 1460147918), (17, 1116583702), (26, 730073959), (34, 558291851), (137, 138554182), (221, 85891054), (274, 69277091), (442, 42945527), (1781, 10658014), (2329, 8150246), (3562, 5329007), (4658, 4075123), (30277, 626942), (60554, 313471)]