18643548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20177}}^1$

素因数の和:20202

約数の個数: 48

約数和(自身を含む): 54238464

約数和(自身を除く): 35594916

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 20177, 40354, 60531, 80708, 121062, 141239, 221947, 242124, 282478, 423717, 443894, 564956, 665841, 847434, 887788, 1331682, 1553629, 1694868, 2663364, 3107258, 4660887, 6214516, 9321774, 18643548]

約数ペア:

[(1, 18643548), (2, 9321774), (3, 6214516), (4, 4660887), (6, 3107258), (7, 2663364), (11, 1694868), (12, 1553629), (14, 1331682), (21, 887788), (22, 847434), (28, 665841), (33, 564956), (42, 443894), (44, 423717), (66, 282478), (77, 242124), (84, 221947), (132, 141239), (154, 121062), (231, 80708), (308, 60531), (462, 40354), (924, 20177)]