19446272

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2036

約数の個数: 40

約数和(自身を含む): 40920000

約数和(自身を除く): 21473728

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 1999, 2432, 3998, 4864, 7996, 9728, 15992, 31984, 37981, 63968, 75962, 127936, 151924, 255872, 303848, 511744, 607696, 1023488, 1215392, 2430784, 4861568, 9723136, 19446272]

約数ペア:

[(1, 19446272), (2, 9723136), (4, 4861568), (8, 2430784), (16, 1215392), (19, 1023488), (32, 607696), (38, 511744), (64, 303848), (76, 255872), (128, 151924), (152, 127936), (256, 75962), (304, 63968), (512, 37981), (608, 31984), (1216, 15992), (1999, 9728), (2432, 7996), (3998, 4864)]