18490912

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 40116384

約数和(自身を除く): 21625472

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 131, 176, 262, 352, 401, 524, 802, 1048, 1441, 1604, 2096, 2882, 3208, 4192, 4411, 5764, 6416, 8822, 11528, 12832, 17644, 23056, 35288, 46112, 52531, 70576, 105062, 141152, 210124, 420248, 577841, 840496, 1155682, 1680992, 2311364, 4622728, 9245456, 18490912]

約数ペア:

[(1, 18490912), (2, 9245456), (4, 4622728), (8, 2311364), (11, 1680992), (16, 1155682), (22, 840496), (32, 577841), (44, 420248), (88, 210124), (131, 141152), (176, 105062), (262, 70576), (352, 52531), (401, 46112), (524, 35288), (802, 23056), (1048, 17644), (1441, 12832), (1604, 11528), (2096, 8822), (2882, 6416), (3208, 5764), (4192, 4411)]