18928497

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1433}}^1$

素因数の和:1497

約数の個数: 32

約数和(自身を含む): 31387392

約数和(自身を除く): 12458895

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 357, 629, 777, 1433, 1887, 4299, 4403, 10031, 13209, 24361, 30093, 53021, 73083, 159063, 170527, 371147, 511581, 901357, 1113441, 2704071, 6309499, 18928497]

約数ペア:

[(1, 18928497), (3, 6309499), (7, 2704071), (17, 1113441), (21, 901357), (37, 511581), (51, 371147), (111, 170527), (119, 159063), (259, 73083), (357, 53021), (629, 30093), (777, 24361), (1433, 13209), (1887, 10031), (4299, 4403)]