19378688

素因数分解:

$2^9\times 7^1\times {\mathrm{5407}}^1$

素因数の和:5432

約数の個数: 40

約数和(自身を含む): 44259072

約数和(自身を除く): 24880384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5407, 10814, 21628, 37849, 43256, 75698, 86512, 151396, 173024, 302792, 346048, 605584, 692096, 1211168, 1384192, 2422336, 2768384, 4844672, 9689344, 19378688]

約数ペア:

[(1, 19378688), (2, 9689344), (4, 4844672), (7, 2768384), (8, 2422336), (14, 1384192), (16, 1211168), (28, 692096), (32, 605584), (56, 346048), (64, 302792), (112, 173024), (128, 151396), (224, 86512), (256, 75698), (448, 43256), (512, 37849), (896, 21628), (1792, 10814), (3584, 5407)]