19980652

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{7489}}^1$

素因数の和:7545

約数の個数: 24

約数和(自身を含む): 37749600

約数和(自身を除く): 17768948

約数列:

[1, 2, 4, 23, 29, 46, 58, 92, 116, 667, 1334, 2668, 7489, 14978, 29956, 172247, 217181, 344494, 434362, 688988, 868724, 4995163, 9990326, 19980652]

約数ペア:

[(1, 19980652), (2, 9990326), (4, 4995163), (23, 868724), (29, 688988), (46, 434362), (58, 344494), (92, 217181), (116, 172247), (667, 29956), (1334, 14978), (2668, 7489)]