19855269

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18539}}^1$

素因数の和:18569

約数の個数: 24

約数和(自身を含む): 34706880

約数和(自身を除く): 14851611

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 18539, 55617, 129773, 166851, 315163, 389319, 945489, 1167957, 2206141, 2836467, 6618423, 19855269]

約数ペア:

[(1, 19855269), (3, 6618423), (7, 2836467), (9, 2206141), (17, 1167957), (21, 945489), (51, 389319), (63, 315163), (119, 166851), (153, 129773), (357, 55617), (1071, 18539)]