18506418

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3313}}^1$

素因数の和:3351

約数の個数: 48

約数和(自身を含む): 45335520

約数和(自身を除く): 26829102

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 399, 798, 931, 1862, 2793, 3313, 5586, 6626, 9939, 19878, 23191, 46382, 62947, 69573, 125894, 139146, 162337, 188841, 324674, 377682, 440629, 487011, 881258, 974022, 1321887, 2643774, 3084403, 6168806, 9253209, 18506418]

約数ペア:

[(1, 18506418), (2, 9253209), (3, 6168806), (6, 3084403), (7, 2643774), (14, 1321887), (19, 974022), (21, 881258), (38, 487011), (42, 440629), (49, 377682), (57, 324674), (98, 188841), (114, 162337), (133, 139146), (147, 125894), (266, 69573), (294, 62947), (399, 46382), (798, 23191), (931, 19878), (1862, 9939), (2793, 6626), (3313, 5586)]