18281732

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 39110400

約数和(自身を除く): 20828668

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 193, 199, 238, 386, 398, 476, 772, 796, 1351, 1393, 2702, 2786, 3281, 3383, 5404, 5572, 6562, 6766, 13124, 13532, 22967, 23681, 38407, 45934, 47362, 76814, 91868, 94724, 153628, 268849, 537698, 652919, 1075396, 1305838, 2611676, 4570433, 9140866, 18281732]

約数ペア:

[(1, 18281732), (2, 9140866), (4, 4570433), (7, 2611676), (14, 1305838), (17, 1075396), (28, 652919), (34, 537698), (68, 268849), (119, 153628), (193, 94724), (199, 91868), (238, 76814), (386, 47362), (398, 45934), (476, 38407), (772, 23681), (796, 22967), (1351, 13532), (1393, 13124), (2702, 6766), (2786, 6562), (3281, 5572), (3383, 5404)]