17895556

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 37739520

約数和(自身を除く): 19843964

約数列:

[1, 2, 4, 7, 14, 28, 31, 53, 62, 106, 124, 212, 217, 371, 389, 434, 742, 778, 868, 1484, 1556, 1643, 2723, 3286, 5446, 6572, 10892, 11501, 12059, 20617, 23002, 24118, 41234, 46004, 48236, 82468, 84413, 144319, 168826, 288638, 337652, 577276, 639127, 1278254, 2556508, 4473889, 8947778, 17895556]

約数ペア:

[(1, 17895556), (2, 8947778), (4, 4473889), (7, 2556508), (14, 1278254), (28, 639127), (31, 577276), (53, 337652), (62, 288638), (106, 168826), (124, 144319), (212, 84413), (217, 82468), (371, 48236), (389, 46004), (434, 41234), (742, 24118), (778, 23002), (868, 20617), (1484, 12059), (1556, 11501), (1643, 10892), (2723, 6572), (3286, 5446)]