19437424

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:457

約数の個数: 40

約数和(自身を含む): 39350160

約数和(自身を除く): 19912736

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 163, 232, 257, 326, 464, 514, 652, 1028, 1304, 2056, 2608, 4112, 4727, 7453, 9454, 14906, 18908, 29812, 37816, 41891, 59624, 75632, 83782, 119248, 167564, 335128, 670256, 1214839, 2429678, 4859356, 9718712, 19437424]

約数ペア:

[(1, 19437424), (2, 9718712), (4, 4859356), (8, 2429678), (16, 1214839), (29, 670256), (58, 335128), (116, 167564), (163, 119248), (232, 83782), (257, 75632), (326, 59624), (464, 41891), (514, 37816), (652, 29812), (1028, 18908), (1304, 14906), (2056, 9454), (2608, 7453), (4112, 4727)]