19801498

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{18787}}^1$

素因数の和:18837

約数の個数: 16

約数和(自身を含む): 32465664

約数和(自身を除く): 12664166

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 18787, 37574, 319379, 582397, 638758, 1164794, 9900749, 19801498]

約数ペア:

[(1, 19801498), (2, 9900749), (17, 1164794), (31, 638758), (34, 582397), (62, 319379), (527, 37574), (1054, 18787)]