18755120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10193}}^1$

素因数の和:10229

約数の個数: 40

約数和(自身を含む): 45506016

約数和(自身を除く): 26750896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10193, 20386, 40772, 50965, 81544, 101930, 163088, 203860, 234439, 407720, 468878, 815440, 937756, 1172195, 1875512, 2344390, 3751024, 4688780, 9377560, 18755120]

約数ペア:

[(1, 18755120), (2, 9377560), (4, 4688780), (5, 3751024), (8, 2344390), (10, 1875512), (16, 1172195), (20, 937756), (23, 815440), (40, 468878), (46, 407720), (80, 234439), (92, 203860), (115, 163088), (184, 101930), (230, 81544), (368, 50965), (460, 40772), (920, 20386), (1840, 10193)]