19175884

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 41708800

約数和(自身を除く): 22532916

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 139, 182, 278, 364, 379, 556, 758, 973, 1516, 1807, 1946, 2653, 3614, 3892, 4927, 5306, 7228, 9854, 10612, 12649, 19708, 25298, 34489, 50596, 52681, 68978, 105362, 137956, 210724, 368767, 684853, 737534, 1369706, 1475068, 2739412, 4793971, 9587942, 19175884]

約数ペア:

[(1, 19175884), (2, 9587942), (4, 4793971), (7, 2739412), (13, 1475068), (14, 1369706), (26, 737534), (28, 684853), (52, 368767), (91, 210724), (139, 137956), (182, 105362), (278, 68978), (364, 52681), (379, 50596), (556, 34489), (758, 25298), (973, 19708), (1516, 12649), (1807, 10612), (1946, 9854), (2653, 7228), (3614, 5306), (3892, 4927)]