19954584

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21319}}^1$

素因数の和:21344

約数の個数: 48

約数和(自身を含む): 58203600

約数和(自身を除く): 38249016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21319, 42638, 63957, 85276, 127914, 170552, 191871, 255828, 277147, 383742, 511656, 554294, 767484, 831441, 1108588, 1534968, 1662882, 2217176, 2494323, 3325764, 4988646, 6651528, 9977292, 19954584]

約数ペア:

[(1, 19954584), (2, 9977292), (3, 6651528), (4, 4988646), (6, 3325764), (8, 2494323), (9, 2217176), (12, 1662882), (13, 1534968), (18, 1108588), (24, 831441), (26, 767484), (36, 554294), (39, 511656), (52, 383742), (72, 277147), (78, 255828), (104, 191871), (117, 170552), (156, 127914), (234, 85276), (312, 63957), (468, 42638), (936, 21319)]