19619678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{1231}}^1$

素因数の和:1859

約数の個数: 16

約数和(自身を含む): 31770816

約数和(自身を除く): 12151138

約数列:

[1, 2, 13, 26, 613, 1226, 1231, 2462, 7969, 15938, 16003, 32006, 754603, 1509206, 9809839, 19619678]

約数ペア:

[(1, 19619678), (2, 9809839), (13, 1509206), (26, 754603), (613, 32006), (1226, 16003), (1231, 15938), (2462, 7969)]