19948392

素因数分解:

$2^3\times 3^2\times {\mathrm{461}}^1\times {\mathrm{601}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 54234180

約数和(自身を除く): 34285788

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 461, 601, 922, 1202, 1383, 1803, 1844, 2404, 2766, 3606, 3688, 4149, 4808, 5409, 5532, 7212, 8298, 10818, 11064, 14424, 16596, 21636, 33192, 43272, 277061, 554122, 831183, 1108244, 1662366, 2216488, 2493549, 3324732, 4987098, 6649464, 9974196, 19948392]

約数ペア:

[(1, 19948392), (2, 9974196), (3, 6649464), (4, 4987098), (6, 3324732), (8, 2493549), (9, 2216488), (12, 1662366), (18, 1108244), (24, 831183), (36, 554122), (72, 277061), (461, 43272), (601, 33192), (922, 21636), (1202, 16596), (1383, 14424), (1803, 11064), (1844, 10818), (2404, 8298), (2766, 7212), (3606, 5532), (3688, 5409), (4149, 4808)]