18859304

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{33203}}^1$

素因数の和:33280

約数の個数: 16

約数和(自身を含む): 35860320

約数和(自身を除く): 17001016

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 33203, 66406, 132812, 265624, 2357413, 4714826, 9429652, 18859304]

約数ペア:

[(1, 18859304), (2, 9429652), (4, 4714826), (8, 2357413), (71, 265624), (142, 132812), (284, 66406), (568, 33203)]