19167869

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:138

約数の個数: 32

約数和(自身を含む): 24192000

約数和(自身を除く): 5024131

約数列:

[1, 7, 29, 41, 47, 49, 203, 287, 329, 343, 1189, 1363, 1421, 1927, 2009, 2303, 8323, 9541, 9947, 13489, 14063, 16121, 55883, 58261, 66787, 94423, 391181, 407827, 467509, 660961, 2738267, 19167869]

約数ペア:

[(1, 19167869), (7, 2738267), (29, 660961), (41, 467509), (47, 407827), (49, 391181), (203, 94423), (287, 66787), (329, 58261), (343, 55883), (1189, 16121), (1363, 14063), (1421, 13489), (1927, 9947), (2009, 9541), (2303, 8323)]