18829910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2411}}^1$

素因数の和:2500

約数の個数: 32

約数和(自身を含む): 37511424

約数和(自身を除く): 18681514

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 2411, 3905, 4822, 7810, 12055, 24110, 26521, 53042, 132605, 171181, 265210, 342362, 855905, 1711810, 1882991, 3765982, 9414955, 18829910]

約数ペア:

[(1, 18829910), (2, 9414955), (5, 3765982), (10, 1882991), (11, 1711810), (22, 855905), (55, 342362), (71, 265210), (110, 171181), (142, 132605), (355, 53042), (710, 26521), (781, 24110), (1562, 12055), (2411, 7810), (3905, 4822)]