19119152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5407}}^1$

素因数の和:5445

約数の個数: 40

約数和(自身を含む): 42247296

約数和(自身を除く): 23128144

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5407, 10814, 21628, 43256, 70291, 86512, 91919, 140582, 183838, 281164, 367676, 562328, 735352, 1124656, 1194947, 1470704, 2389894, 4779788, 9559576, 19119152]

約数ペア:

[(1, 19119152), (2, 9559576), (4, 4779788), (8, 2389894), (13, 1470704), (16, 1194947), (17, 1124656), (26, 735352), (34, 562328), (52, 367676), (68, 281164), (104, 183838), (136, 140582), (208, 91919), (221, 86512), (272, 70291), (442, 43256), (884, 21628), (1768, 10814), (3536, 5407)]