19975734

素因数分解:

$2^1\times 3^4\times {\mathrm{123307}}^1$

素因数の和:123321

約数の個数: 20

約数和(自身を含む): 44760804

約数和(自身を除く): 24785070

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 123307, 246614, 369921, 739842, 1109763, 2219526, 3329289, 6658578, 9987867, 19975734]

約数ペア:

[(1, 19975734), (2, 9987867), (3, 6658578), (6, 3329289), (9, 2219526), (18, 1109763), (27, 739842), (54, 369921), (81, 246614), (162, 123307)]