19129864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{439}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 38808000

約数和(自身を除く): 19678136

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 419, 439, 838, 878, 1676, 1756, 3352, 3512, 5447, 5707, 10894, 11414, 21788, 22828, 43576, 45656, 183941, 367882, 735764, 1471528, 2391233, 4782466, 9564932, 19129864]

約数ペア:

[(1, 19129864), (2, 9564932), (4, 4782466), (8, 2391233), (13, 1471528), (26, 735764), (52, 367882), (104, 183941), (419, 45656), (439, 43576), (838, 22828), (878, 21788), (1676, 11414), (1756, 10894), (3352, 5707), (3512, 5447)]