18804907847

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{4493}}^1$

素因数の和:4831

約数の個数: 32

約数和(自身を含む): 21805894656

約数和(自身を除く): 3000986809

約数列:

[1, 11, 23, 71, 233, 253, 781, 1633, 2563, 4493, 5359, 16543, 17963, 49423, 58949, 103339, 181973, 319003, 380489, 1046869, 1136729, 3509033, 4185379, 7337069, 11515559, 24077987, 74327699, 80707759, 264857857, 817604689, 1709537077, 18804907847]

約数ペア:

[(1, 18804907847), (11, 1709537077), (23, 817604689), (71, 264857857), (233, 80707759), (253, 74327699), (781, 24077987), (1633, 11515559), (2563, 7337069), (4493, 4185379), (5359, 3509033), (16543, 1136729), (17963, 1046869), (49423, 380489), (58949, 319003), (103339, 181973)]