19663756

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{11903}}^1$

素因数の和:11973

約数の個数: 24

約数和(自身を含む): 39997440

約数和(自身を除く): 20333684

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 11903, 23806, 47612, 83321, 166642, 333284, 702277, 1404554, 2809108, 4915939, 9831878, 19663756]

約数ペア:

[(1, 19663756), (2, 9831878), (4, 4915939), (7, 2809108), (14, 1404554), (28, 702277), (59, 333284), (118, 166642), (236, 83321), (413, 47612), (826, 23806), (1652, 11903)]