19872370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{907}}^1$

素因数の和:1234

約数の個数: 32

約数和(自身を含む): 41056128

約数和(自身を除く): 21183758

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 313, 626, 907, 1565, 1814, 2191, 3130, 4382, 4535, 6349, 9070, 10955, 12698, 21910, 31745, 63490, 283891, 567782, 1419455, 1987237, 2838910, 3974474, 9936185, 19872370]

約数ペア:

[(1, 19872370), (2, 9936185), (5, 3974474), (7, 2838910), (10, 1987237), (14, 1419455), (35, 567782), (70, 283891), (313, 63490), (626, 31745), (907, 21910), (1565, 12698), (1814, 10955), (2191, 9070), (3130, 6349), (4382, 4535)]