19980974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{33413}}^1$

素因数の和:33451

約数の個数: 16

約数和(自身を含む): 33681312

約数和(自身を除く): 13700338

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 33413, 66826, 434369, 768499, 868738, 1536998, 9990487, 19980974]

約数ペア:

[(1, 19980974), (2, 9990487), (13, 1536998), (23, 868738), (26, 768499), (46, 434369), (299, 66826), (598, 33413)]