19053160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9721}}^1$

素因数の和:9746

約数の個数: 48

約数和(自身を含む): 49873860

約数和(自身を除く): 30820700

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9721, 19442, 38884, 48605, 68047, 77768, 97210, 136094, 194420, 272188, 340235, 388840, 476329, 544376, 680470, 952658, 1360940, 1905316, 2381645, 2721880, 3810632, 4763290, 9526580, 19053160]

約数ペア:

[(1, 19053160), (2, 9526580), (4, 4763290), (5, 3810632), (7, 2721880), (8, 2381645), (10, 1905316), (14, 1360940), (20, 952658), (28, 680470), (35, 544376), (40, 476329), (49, 388840), (56, 340235), (70, 272188), (98, 194420), (140, 136094), (196, 97210), (245, 77768), (280, 68047), (392, 48605), (490, 38884), (980, 19442), (1960, 9721)]