19941628

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1433}}^1$

素因数の和:1522

約数の個数: 36

約数和(自身を含む): 41195952

約数和(自身を除く): 21254324

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1433, 1988, 2866, 3479, 5732, 6958, 10031, 13916, 20062, 40124, 70217, 101743, 140434, 203486, 280868, 406972, 712201, 1424402, 2848804, 4985407, 9970814, 19941628]

約数ペア:

[(1, 19941628), (2, 9970814), (4, 4985407), (7, 2848804), (14, 1424402), (28, 712201), (49, 406972), (71, 280868), (98, 203486), (142, 140434), (196, 101743), (284, 70217), (497, 40124), (994, 20062), (1433, 13916), (1988, 10031), (2866, 6958), (3479, 5732)]