18695208

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{433}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 53746560

約数和(自身を除く): 35051352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 257, 433, 514, 771, 866, 1028, 1299, 1542, 1732, 1799, 2056, 2598, 3031, 3084, 3464, 3598, 5196, 5397, 6062, 6168, 7196, 9093, 10392, 10794, 12124, 14392, 18186, 21588, 24248, 36372, 43176, 72744, 111281, 222562, 333843, 445124, 667686, 778967, 890248, 1335372, 1557934, 2336901, 2670744, 3115868, 4673802, 6231736, 9347604, 18695208]

約数ペア:

[(1, 18695208), (2, 9347604), (3, 6231736), (4, 4673802), (6, 3115868), (7, 2670744), (8, 2336901), (12, 1557934), (14, 1335372), (21, 890248), (24, 778967), (28, 667686), (42, 445124), (56, 333843), (84, 222562), (168, 111281), (257, 72744), (433, 43176), (514, 36372), (771, 24248), (866, 21588), (1028, 18186), (1299, 14392), (1542, 12124), (1732, 10794), (1799, 10392), (2056, 9093), (2598, 7196), (3031, 6168), (3084, 6062), (3464, 5397), (3598, 5196)]