19540294

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{1009}}^1$

素因数の和:1455

約数の個数: 16

約数和(自身を含む): 30687840

約数和(自身を除く): 11147546

約数列:

[1, 2, 23, 46, 421, 842, 1009, 2018, 9683, 19366, 23207, 46414, 424789, 849578, 9770147, 19540294]

約数ペア:

[(1, 19540294), (2, 9770147), (23, 849578), (46, 424789), (421, 46414), (842, 23207), (1009, 19366), (2018, 9683)]