19536836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 39372480

約数和(自身を除く): 19835644

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 61, 116, 122, 244, 251, 319, 502, 638, 671, 1004, 1276, 1342, 1769, 2684, 2761, 3538, 5522, 7076, 7279, 11044, 14558, 15311, 19459, 29116, 30622, 38918, 61244, 77836, 80069, 160138, 168421, 320276, 336842, 444019, 673684, 888038, 1776076, 4884209, 9768418, 19536836]

約数ペア:

[(1, 19536836), (2, 9768418), (4, 4884209), (11, 1776076), (22, 888038), (29, 673684), (44, 444019), (58, 336842), (61, 320276), (116, 168421), (122, 160138), (244, 80069), (251, 77836), (319, 61244), (502, 38918), (638, 30622), (671, 29116), (1004, 19459), (1276, 15311), (1342, 14558), (1769, 11044), (2684, 7279), (2761, 7076), (3538, 5522)]