19997383912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{227242999}}^1$

素因数の和:227243016

約数の個数: 16

約数和(自身を含む): 40903740000

約数和(自身を除く): 20906356088

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 227242999, 454485998, 908971996, 1817943992, 2499672989, 4999345978, 9998691956, 19997383912]

約数ペア:

[(1, 19997383912), (2, 9998691956), (4, 4999345978), (8, 2499672989), (11, 1817943992), (22, 908971996), (44, 454485998), (88, 227242999)]