19925776

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7369}}^1$

素因数の和:7403

約数の個数: 30

約数和(自身を含む): 41810010

約数和(自身を除く): 21884234

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7369, 14738, 29476, 58952, 95797, 117904, 191594, 383188, 766376, 1245361, 1532752, 2490722, 4981444, 9962888, 19925776]

約数ペア:

[(1, 19925776), (2, 9962888), (4, 4981444), (8, 2490722), (13, 1532752), (16, 1245361), (26, 766376), (52, 383188), (104, 191594), (169, 117904), (208, 95797), (338, 58952), (676, 29476), (1352, 14738), (2704, 7369)]