18398240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16427}}^1$

素因数の和:16449

約数の個数: 48

約数和(自身を含む): 49678272

約数和(自身を除く): 31280032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16427, 32854, 65708, 82135, 114989, 131416, 164270, 229978, 262832, 328540, 459956, 525664, 574945, 657080, 919912, 1149890, 1314160, 1839824, 2299780, 2628320, 3679648, 4599560, 9199120, 18398240]

約数ペア:

[(1, 18398240), (2, 9199120), (4, 4599560), (5, 3679648), (7, 2628320), (8, 2299780), (10, 1839824), (14, 1314160), (16, 1149890), (20, 919912), (28, 657080), (32, 574945), (35, 525664), (40, 459956), (56, 328540), (70, 262832), (80, 229978), (112, 164270), (140, 131416), (160, 114989), (224, 82135), (280, 65708), (560, 32854), (1120, 16427)]