18164272

素因数分解:

$2^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1033}}^1$

素因数の和:1205

約数の個数: 40

約数和(自身を含む): 40516256

約数和(自身を除く): 22351984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 157, 314, 628, 1033, 1099, 1256, 2066, 2198, 2512, 4132, 4396, 7231, 8264, 8792, 14462, 16528, 17584, 28924, 57848, 115696, 162181, 324362, 648724, 1135267, 1297448, 2270534, 2594896, 4541068, 9082136, 18164272]

約数ペア:

[(1, 18164272), (2, 9082136), (4, 4541068), (7, 2594896), (8, 2270534), (14, 1297448), (16, 1135267), (28, 648724), (56, 324362), (112, 162181), (157, 115696), (314, 57848), (628, 28924), (1033, 17584), (1099, 16528), (1256, 14462), (2066, 8792), (2198, 8264), (2512, 7231), (4132, 4396)]