19646872

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 44352000

約数和(自身を除く): 24705128

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 43, 56, 82, 86, 164, 172, 199, 287, 301, 328, 344, 398, 574, 602, 796, 1148, 1204, 1393, 1592, 1763, 2296, 2408, 2786, 3526, 5572, 7052, 8159, 8557, 11144, 12341, 14104, 16318, 17114, 24682, 32636, 34228, 49364, 57113, 59899, 65272, 68456, 98728, 114226, 119798, 228452, 239596, 350837, 456904, 479192, 701674, 1403348, 2455859, 2806696, 4911718, 9823436, 19646872]

約数ペア:

[(1, 19646872), (2, 9823436), (4, 4911718), (7, 2806696), (8, 2455859), (14, 1403348), (28, 701674), (41, 479192), (43, 456904), (56, 350837), (82, 239596), (86, 228452), (164, 119798), (172, 114226), (199, 98728), (287, 68456), (301, 65272), (328, 59899), (344, 57113), (398, 49364), (574, 34228), (602, 32636), (796, 24682), (1148, 17114), (1204, 16318), (1393, 14104), (1592, 12341), (1763, 11144), (2296, 8557), (2408, 8159), (2786, 7052), (3526, 5572)]