19716340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140831}}^1$

素因数の和:140847

約数の個数: 24

約数和(自身を含む): 47319552

約数和(自身を除く): 27603212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140831, 281662, 563324, 704155, 985817, 1408310, 1971634, 2816620, 3943268, 4929085, 9858170, 19716340]

約数ペア:

[(1, 19716340), (2, 9858170), (4, 4929085), (5, 3943268), (7, 2816620), (10, 1971634), (14, 1408310), (20, 985817), (28, 704155), (35, 563324), (70, 281662), (140, 140831)]