19895824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2333}}^1$

素因数の和:2395

約数の個数: 40

約数和(自身を含む): 42544152

約数和(自身を除く): 22648328

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2132, 2333, 4264, 4666, 8528, 9332, 18664, 30329, 37328, 60658, 95653, 121316, 191306, 242632, 382612, 485264, 765224, 1243489, 1530448, 2486978, 4973956, 9947912, 19895824]

約数ペア:

[(1, 19895824), (2, 9947912), (4, 4973956), (8, 2486978), (13, 1530448), (16, 1243489), (26, 765224), (41, 485264), (52, 382612), (82, 242632), (104, 191306), (164, 121316), (208, 95653), (328, 60658), (533, 37328), (656, 30329), (1066, 18664), (2132, 9332), (2333, 8528), (4264, 4666)]