19655838

素因数分解:

$2^1\times 3^3\times {\mathrm{239}}^1\times {\mathrm{1523}}^1$

素因数の和:1773

約数の個数: 32

約数和(自身を含む): 43891200

約数和(自身を除く): 24235362

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 239, 478, 717, 1434, 1523, 2151, 3046, 4302, 4569, 6453, 9138, 12906, 13707, 27414, 41121, 82242, 363997, 727994, 1091991, 2183982, 3275973, 6551946, 9827919, 19655838]

約数ペア:

[(1, 19655838), (2, 9827919), (3, 6551946), (6, 3275973), (9, 2183982), (18, 1091991), (27, 727994), (54, 363997), (239, 82242), (478, 41121), (717, 27414), (1434, 13707), (1523, 12906), (2151, 9138), (3046, 6453), (4302, 4569)]