19782752

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1307}}^1$

素因数の和:1371

約数の個数: 48

約数和(自身を含む): 43509312

約数和(自身を除く): 23726560

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 86, 88, 172, 176, 344, 352, 473, 688, 946, 1307, 1376, 1892, 2614, 3784, 5228, 7568, 10456, 14377, 15136, 20912, 28754, 41824, 56201, 57508, 112402, 115016, 224804, 230032, 449608, 460064, 618211, 899216, 1236422, 1798432, 2472844, 4945688, 9891376, 19782752]

約数ペア:

[(1, 19782752), (2, 9891376), (4, 4945688), (8, 2472844), (11, 1798432), (16, 1236422), (22, 899216), (32, 618211), (43, 460064), (44, 449608), (86, 230032), (88, 224804), (172, 115016), (176, 112402), (344, 57508), (352, 56201), (473, 41824), (688, 28754), (946, 20912), (1307, 15136), (1376, 14377), (1892, 10456), (2614, 7568), (3784, 5228)]