18723784

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{23173}}^1$

素因数の和:23280

約数の個数: 16

約数和(自身を含む): 35456220

約数和(自身を除く): 16732436

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 23173, 46346, 92692, 185384, 2340473, 4680946, 9361892, 18723784]

約数ペア:

[(1, 18723784), (2, 9361892), (4, 4680946), (8, 2340473), (101, 185384), (202, 92692), (404, 46346), (808, 23173)]