19963586

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{2203}}^1$

素因数の和:2425

約数の個数: 16

約数和(自身を含む): 31420224

約数和(自身を除く): 11456638

約数列:

[1, 2, 23, 46, 197, 394, 2203, 4406, 4531, 9062, 50669, 101338, 433991, 867982, 9981793, 19963586]

約数ペア:

[(1, 19963586), (2, 9981793), (23, 867982), (46, 433991), (197, 101338), (394, 50669), (2203, 9062), (4406, 4531)]