19213900

素因数分解:

$2^2\times 5^2\times {\mathrm{271}}^1\times {\mathrm{709}}^1$

素因数の和:994

約数の個数: 36

約数和(自身を含む): 41907040

約数和(自身を除く): 22693140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 271, 542, 709, 1084, 1355, 1418, 2710, 2836, 3545, 5420, 6775, 7090, 13550, 14180, 17725, 27100, 35450, 70900, 192139, 384278, 768556, 960695, 1921390, 3842780, 4803475, 9606950, 19213900]

約数ペア:

[(1, 19213900), (2, 9606950), (4, 4803475), (5, 3842780), (10, 1921390), (20, 960695), (25, 768556), (50, 384278), (100, 192139), (271, 70900), (542, 35450), (709, 27100), (1084, 17725), (1355, 14180), (1418, 13550), (2710, 7090), (2836, 6775), (3545, 5420)]