19977876

素因数分解:

$2^2\times 3^2\times {\mathrm{167}}^1\times {\mathrm{3323}}^1$

素因数の和:3500

約数の個数: 36

約数和(自身を含む): 50817312

約数和(自身を除く): 30839436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 167, 334, 501, 668, 1002, 1503, 2004, 3006, 3323, 6012, 6646, 9969, 13292, 19938, 29907, 39876, 59814, 119628, 554941, 1109882, 1664823, 2219764, 3329646, 4994469, 6659292, 9988938, 19977876]

約数ペア:

[(1, 19977876), (2, 9988938), (3, 6659292), (4, 4994469), (6, 3329646), (9, 2219764), (12, 1664823), (18, 1109882), (36, 554941), (167, 119628), (334, 59814), (501, 39876), (668, 29907), (1002, 19938), (1503, 13292), (2004, 9969), (3006, 6646), (3323, 6012)]