18357850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 72

約数和(自身を含む): 40711680

約数和(自身を除く): 22353830

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 59, 70, 98, 118, 127, 175, 245, 254, 295, 350, 413, 490, 590, 635, 826, 889, 1225, 1270, 1475, 1778, 2065, 2450, 2891, 2950, 3175, 4130, 4445, 5782, 6223, 6350, 7493, 8890, 10325, 12446, 14455, 14986, 20650, 22225, 28910, 31115, 37465, 44450, 52451, 62230, 72275, 74930, 104902, 144550, 155575, 187325, 262255, 311150, 367157, 374650, 524510, 734314, 1311275, 1835785, 2622550, 3671570, 9178925, 18357850]

約数ペア:

[(1, 18357850), (2, 9178925), (5, 3671570), (7, 2622550), (10, 1835785), (14, 1311275), (25, 734314), (35, 524510), (49, 374650), (50, 367157), (59, 311150), (70, 262255), (98, 187325), (118, 155575), (127, 144550), (175, 104902), (245, 74930), (254, 72275), (295, 62230), (350, 52451), (413, 44450), (490, 37465), (590, 31115), (635, 28910), (826, 22225), (889, 20650), (1225, 14986), (1270, 14455), (1475, 12446), (1778, 10325), (2065, 8890), (2450, 7493), (2891, 6350), (2950, 6223), (3175, 5782), (4130, 4445)]