19970546

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{9629}}^1$

素因数の和:9709

約数の個数: 16

約数和(自身を含む): 32241240

約数和(自身を除く): 12270694

約数列:

[1, 2, 17, 34, 61, 122, 1037, 2074, 9629, 19258, 163693, 327386, 587369, 1174738, 9985273, 19970546]

約数ペア:

[(1, 19970546), (2, 9985273), (17, 1174738), (34, 587369), (61, 327386), (122, 163693), (1037, 19258), (2074, 9629)]