19724242

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{1669}}^1$

素因数の和:2001

約数の個数: 16

約数和(自身を含む): 31262400

約数和(自身を除く): 11538158

約数列:

[1, 2, 19, 38, 311, 622, 1669, 3338, 5909, 11818, 31711, 63422, 519059, 1038118, 9862121, 19724242]

約数ペア:

[(1, 19724242), (2, 9862121), (19, 1038118), (38, 519059), (311, 63422), (622, 31711), (1669, 11818), (3338, 5909)]