18233390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 20377042

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 127, 245, 254, 293, 490, 586, 635, 889, 1270, 1465, 1778, 2051, 2930, 4102, 4445, 6223, 8890, 10255, 12446, 14357, 20510, 28714, 31115, 37211, 62230, 71785, 74422, 143570, 186055, 260477, 372110, 520954, 1302385, 1823339, 2604770, 3646678, 9116695, 18233390]

約数ペア:

[(1, 18233390), (2, 9116695), (5, 3646678), (7, 2604770), (10, 1823339), (14, 1302385), (35, 520954), (49, 372110), (70, 260477), (98, 186055), (127, 143570), (245, 74422), (254, 71785), (293, 62230), (490, 37211), (586, 31115), (635, 28714), (889, 20510), (1270, 14357), (1465, 12446), (1778, 10255), (2051, 8890), (2930, 6223), (4102, 4445)]