19425805

素因数分解:

$5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 27878400

約数和(自身を除く): 8452595

約数列:

[1, 5, 7, 35, 47, 49, 235, 241, 245, 329, 343, 1205, 1645, 1687, 1715, 2303, 8435, 11327, 11515, 11809, 16121, 56635, 59045, 79289, 80605, 82663, 396445, 413315, 555023, 2775115, 3885161, 19425805]

約数ペア:

[(1, 19425805), (5, 3885161), (7, 2775115), (35, 555023), (47, 413315), (49, 396445), (235, 82663), (241, 80605), (245, 79289), (329, 59045), (343, 56635), (1205, 16121), (1645, 11809), (1687, 11515), (1715, 11327), (2303, 8435)]