18942175

素因数分解:

$5^2\times 7^3\times {\mathrm{47}}^2$

素因数の和:125

約数の個数: 36

約数和(自身を含む): 27986800

約数和(自身を除く): 9044625

約数列:

[1, 5, 7, 25, 35, 47, 49, 175, 235, 245, 329, 343, 1175, 1225, 1645, 1715, 2209, 2303, 8225, 8575, 11045, 11515, 15463, 16121, 55225, 57575, 77315, 80605, 108241, 386575, 403025, 541205, 757687, 2706025, 3788435, 18942175]

約数ペア:

[(1, 18942175), (5, 3788435), (7, 2706025), (25, 757687), (35, 541205), (47, 403025), (49, 386575), (175, 108241), (235, 80605), (245, 77315), (329, 57575), (343, 55225), (1175, 16121), (1225, 15463), (1645, 11515), (1715, 11045), (2209, 8575), (2303, 8225)]