1980218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:134

約数の個数: 24

約数和(自身を含む): 3308160

約数和(自身を除く): 1327942

約数列:

[1, 2, 19, 31, 38, 41, 62, 82, 589, 779, 1178, 1271, 1558, 1681, 2542, 3362, 24149, 31939, 48298, 52111, 63878, 104222, 990109, 1980218]

約数ペア:

[(1, 1980218), (2, 990109), (19, 104222), (31, 63878), (38, 52111), (41, 48298), (62, 31939), (82, 24149), (589, 3362), (779, 2542), (1178, 1681), (1271, 1558)]