19109120

素因数分解:

$2^8\times 5^1\times {\mathrm{14929}}^1$

素因数の和:14950

約数の個数: 36

約数和(自身を含む): 45775380

約数和(自身を除く): 26666260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 14929, 29858, 59716, 74645, 119432, 149290, 238864, 298580, 477728, 597160, 955456, 1194320, 1910912, 2388640, 3821824, 4777280, 9554560, 19109120]

約数ペア:

[(1, 19109120), (2, 9554560), (4, 4777280), (5, 3821824), (8, 2388640), (10, 1910912), (16, 1194320), (20, 955456), (32, 597160), (40, 477728), (64, 298580), (80, 238864), (128, 149290), (160, 119432), (256, 74645), (320, 59716), (640, 29858), (1280, 14929)]