19660147173

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{2267}}^1\times {\mathrm{8681}}^1$

素因数の和:10994

約数の個数: 32

約数和(自身を含む): 29929979520

約数和(自身を除く): 10269832347

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 2267, 6801, 8681, 20403, 26043, 61209, 78129, 83879, 234387, 251637, 321197, 754911, 963591, 2264733, 2890773, 8672319, 19679827, 59039481, 177118443, 531355329, 728153599, 2184460797, 6553382391, 19660147173]

約数ペア:

[(1, 19660147173), (3, 6553382391), (9, 2184460797), (27, 728153599), (37, 531355329), (111, 177118443), (333, 59039481), (999, 19679827), (2267, 8672319), (6801, 2890773), (8681, 2264733), (20403, 963591), (26043, 754911), (61209, 321197), (78129, 251637), (83879, 234387)]