18565876

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 39223296

約数和(自身を除く): 20657420

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 127, 161, 227, 254, 322, 454, 508, 644, 889, 908, 1589, 1778, 2921, 3178, 3556, 5221, 5842, 6356, 10442, 11684, 20447, 20884, 28829, 36547, 40894, 57658, 73094, 81788, 115316, 146188, 201803, 403606, 663067, 807212, 1326134, 2652268, 4641469, 9282938, 18565876]

約数ペア:

[(1, 18565876), (2, 9282938), (4, 4641469), (7, 2652268), (14, 1326134), (23, 807212), (28, 663067), (46, 403606), (92, 201803), (127, 146188), (161, 115316), (227, 81788), (254, 73094), (322, 57658), (454, 40894), (508, 36547), (644, 28829), (889, 20884), (908, 20447), (1589, 11684), (1778, 10442), (2921, 6356), (3178, 5842), (3556, 5221)]