18491985

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4951}}^1$

素因数の和:5045

約数の個数: 24

約数和(自身を含む): 32445504

約数和(自身を除く): 13953519

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 4951, 14853, 24755, 44559, 74265, 222795, 410933, 1232799, 2054665, 3698397, 6163995, 18491985]

約数ペア:

[(1, 18491985), (3, 6163995), (5, 3698397), (9, 2054665), (15, 1232799), (45, 410933), (83, 222795), (249, 74265), (415, 44559), (747, 24755), (1245, 14853), (3735, 4951)]