19303060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19697}}^1$

素因数の和:19720

約数の個数: 36

約数和(自身を含む): 47157012

約数和(自身を除く): 27853952

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19697, 39394, 78788, 98485, 137879, 196970, 275758, 393940, 551516, 689395, 965153, 1378790, 1930306, 2757580, 3860612, 4825765, 9651530, 19303060]

約数ペア:

[(1, 19303060), (2, 9651530), (4, 4825765), (5, 3860612), (7, 2757580), (10, 1930306), (14, 1378790), (20, 965153), (28, 689395), (35, 551516), (49, 393940), (70, 275758), (98, 196970), (140, 137879), (196, 98485), (245, 78788), (490, 39394), (980, 19697)]