19961072

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{23539}}^1$

素因数の和:23600

約数の個数: 20

約数和(自身を含む): 39405960

約数和(自身を除く): 19444888

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 23539, 47078, 94156, 188312, 376624, 1247567, 2495134, 4990268, 9980536, 19961072]

約数ペア:

[(1, 19961072), (2, 9980536), (4, 4990268), (8, 2495134), (16, 1247567), (53, 376624), (106, 188312), (212, 94156), (424, 47078), (848, 23539)]