18479728

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{39827}}^1$

素因数の和:39864

約数の個数: 20

約数和(自身を含む): 37040040

約数和(自身を除く): 18560312

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 39827, 79654, 159308, 318616, 637232, 1154983, 2309966, 4619932, 9239864, 18479728]

約数ペア:

[(1, 18479728), (2, 9239864), (4, 4619932), (8, 2309966), (16, 1154983), (29, 637232), (58, 318616), (116, 159308), (232, 79654), (464, 39827)]