18905128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{214831}}^1$

素因数の和:214848

約数の個数: 16

約数和(自身を含む): 38669760

約数和(自身を除く): 19764632

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 214831, 429662, 859324, 1718648, 2363141, 4726282, 9452564, 18905128]

約数ペア:

[(1, 18905128), (2, 9452564), (4, 4726282), (8, 2363141), (11, 1718648), (22, 859324), (44, 429662), (88, 214831)]