1320242018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{2459}}^1$

素因数の和:2750

約数の個数: 32

約数和(自身を含む): 2125440000

約数和(自身を除く): 805197982

約数列:

[1, 2, 19, 38, 71, 142, 199, 398, 1349, 2459, 2698, 3781, 4918, 7562, 14129, 28258, 46721, 93442, 174589, 268451, 349178, 489341, 536902, 978682, 3317191, 6634382, 9297479, 18594958, 34743211, 69486422, 660121009, 1320242018]

約数ペア:

[(1, 1320242018), (2, 660121009), (19, 69486422), (38, 34743211), (71, 18594958), (142, 9297479), (199, 6634382), (398, 3317191), (1349, 978682), (2459, 536902), (2698, 489341), (3781, 349178), (4918, 268451), (7562, 174589), (14129, 93442), (28258, 46721)]