18698294

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1\times {\mathrm{421}}^1$

素因数の和:895

約数の個数: 16

約数和(自身を含む): 28712880

約数和(自身を除く): 10014586

約数列:

[1, 2, 53, 106, 419, 421, 838, 842, 22207, 22313, 44414, 44626, 176399, 352798, 9349147, 18698294]

約数ペア:

[(1, 18698294), (2, 9349147), (53, 352798), (106, 176399), (419, 44626), (421, 44414), (838, 22313), (842, 22207)]