19996686

素因数分解:

$2^1\times 3^3\times {\mathrm{67}}^1\times {\mathrm{5527}}^1$

素因数の和:5605

約数の個数: 32

約数和(自身を含む): 45108480

約数和(自身を除く): 25111794

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809, 3618, 5527, 11054, 16581, 33162, 49743, 99486, 149229, 298458, 370309, 740618, 1110927, 2221854, 3332781, 6665562, 9998343, 19996686]

約数ペア:

[(1, 19996686), (2, 9998343), (3, 6665562), (6, 3332781), (9, 2221854), (18, 1110927), (27, 740618), (54, 370309), (67, 298458), (134, 149229), (201, 99486), (402, 49743), (603, 33162), (1206, 16581), (1809, 11054), (3618, 5527)]