19655890

素因数分解:

$2^1\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{1741}}^1$

素因数の和:2877

約数の個数: 16

約数和(自身を含む): 35432280

約数和(自身を除く): 15776390

約数列:

[1, 2, 5, 10, 1129, 1741, 2258, 3482, 5645, 8705, 11290, 17410, 1965589, 3931178, 9827945, 19655890]

約数ペア:

[(1, 19655890), (2, 9827945), (5, 3931178), (10, 1965589), (1129, 17410), (1741, 11290), (2258, 8705), (3482, 5645)]