19980134

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 33786720

約数和(自身を除く): 13806586

約数列:

[1, 2, 17, 19, 34, 38, 157, 197, 314, 323, 394, 646, 2669, 2983, 3349, 3743, 5338, 5966, 6698, 7486, 30929, 50711, 61858, 63631, 101422, 127262, 525793, 587651, 1051586, 1175302, 9990067, 19980134]

約数ペア:

[(1, 19980134), (2, 9990067), (17, 1175302), (19, 1051586), (34, 587651), (38, 525793), (157, 127262), (197, 101422), (314, 63631), (323, 61858), (394, 50711), (646, 30929), (2669, 7486), (2983, 6698), (3349, 5966), (3743, 5338)]