2018691376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9705247}}^1$

素因数の和:9705268

約数の個数: 20

約数和(自身を含む): 4212077632

約数和(自身を除く): 2193386256

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9705247, 19410494, 38820988, 77641976, 126168211, 155283952, 252336422, 504672844, 1009345688, 2018691376]

約数ペア:

[(1, 2018691376), (2, 1009345688), (4, 504672844), (8, 252336422), (13, 155283952), (16, 126168211), (26, 77641976), (52, 38820988), (104, 19410494), (208, 9705247)]