18825428

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13037}}^1$

素因数の和:13079

約数の個数: 18

約数和(自身を含む): 34772346

約数和(自身を除く): 15946918

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13037, 26074, 52148, 247703, 495406, 990812, 4706357, 9412714, 18825428]

約数ペア:

[(1, 18825428), (2, 9412714), (4, 4706357), (19, 990812), (38, 495406), (76, 247703), (361, 52148), (722, 26074), (1444, 13037)]