18489002

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 32678400

約数和(自身を除く): 14189398

約数列:

[1, 2, 7, 14, 73, 79, 146, 158, 229, 458, 511, 553, 1022, 1106, 1603, 3206, 5767, 11534, 16717, 18091, 33434, 36182, 40369, 80738, 117019, 126637, 234038, 253274, 1320643, 2641286, 9244501, 18489002]

約数ペア:

[(1, 18489002), (2, 9244501), (7, 2641286), (14, 1320643), (73, 253274), (79, 234038), (146, 126637), (158, 117019), (229, 80738), (458, 40369), (511, 36182), (553, 33434), (1022, 18091), (1106, 16717), (1603, 11534), (3206, 5767)]