19542608

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17203}}^1$

素因数の和:17282

約数の個数: 20

約数和(自身を含む): 38399328

約数和(自身を除く): 18856720

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17203, 34406, 68812, 137624, 275248, 1221413, 2442826, 4885652, 9771304, 19542608]

約数ペア:

[(1, 19542608), (2, 9771304), (4, 4885652), (8, 2442826), (16, 1221413), (71, 275248), (142, 137624), (284, 68812), (568, 34406), (1136, 17203)]