19885533

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 29245440

約数和(自身を除く): 9359907

約数列:

[1, 3, 19, 41, 57, 67, 123, 127, 201, 381, 779, 1273, 2337, 2413, 2747, 3819, 5207, 7239, 8241, 8509, 15621, 25527, 52193, 98933, 156579, 161671, 296799, 348869, 485013, 1046607, 6628511, 19885533]

約数ペア:

[(1, 19885533), (3, 6628511), (19, 1046607), (41, 485013), (57, 348869), (67, 296799), (123, 161671), (127, 156579), (201, 98933), (381, 52193), (779, 25527), (1273, 15621), (2337, 8509), (2413, 8241), (2747, 7239), (3819, 5207)]