19807983

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{1447}}^1$

素因数の和:1485

約数の個数: 30

約数和(自身を含む): 32063064

約数和(自身を除く): 12255081

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 169, 351, 507, 1053, 1447, 1521, 4341, 4563, 13023, 13689, 18811, 39069, 56433, 117207, 169299, 244543, 507897, 733629, 1523691, 2200887, 6602661, 19807983]

約数ペア:

[(1, 19807983), (3, 6602661), (9, 2200887), (13, 1523691), (27, 733629), (39, 507897), (81, 244543), (117, 169299), (169, 117207), (351, 56433), (507, 39069), (1053, 18811), (1447, 13689), (1521, 13023), (4341, 4563)]