19291790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{39371}}^1$

素因数の和:39392

約数の個数: 24

約数和(自身を含む): 40395672

約数和(自身を除く): 21103882

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 39371, 78742, 196855, 275597, 393710, 551194, 1377985, 1929179, 2755970, 3858358, 9645895, 19291790]

約数ペア:

[(1, 19291790), (2, 9645895), (5, 3858358), (7, 2755970), (10, 1929179), (14, 1377985), (35, 551194), (49, 393710), (70, 275597), (98, 196855), (245, 78742), (490, 39371)]