19489428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{77339}}^1$

素因数の和:77356

約数の個数: 36

約数和(自身を含む): 56303520

約数和(自身を除く): 36814092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 77339, 154678, 232017, 309356, 464034, 541373, 696051, 928068, 1082746, 1392102, 1624119, 2165492, 2784204, 3248238, 4872357, 6496476, 9744714, 19489428]

約数ペア:

[(1, 19489428), (2, 9744714), (3, 6496476), (4, 4872357), (6, 3248238), (7, 2784204), (9, 2165492), (12, 1624119), (14, 1392102), (18, 1082746), (21, 928068), (28, 696051), (36, 541373), (42, 464034), (63, 309356), (84, 232017), (126, 154678), (252, 77339)]