39821378

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61643}}^1$

素因数の和:61681

約数の個数: 16

約数和(自身を含む): 66575520

約数和(自身を除く): 26754142

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 61643, 123286, 1047931, 1171217, 2095862, 2342434, 19910689, 39821378]

約数ペア:

[(1, 39821378), (2, 19910689), (17, 2342434), (19, 2095862), (34, 1171217), (38, 1047931), (323, 123286), (646, 61643)]