19697870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2411}}^1$

素因数の和:2480

約数の個数: 32

約数和(自身を含む): 38206080

約数和(自身を除く): 18508210

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 2411, 4085, 4822, 8170, 12055, 24110, 45809, 91618, 103673, 207346, 229045, 458090, 518365, 1036730, 1969787, 3939574, 9848935, 19697870]

約数ペア:

[(1, 19697870), (2, 9848935), (5, 3939574), (10, 1969787), (19, 1036730), (38, 518365), (43, 458090), (86, 229045), (95, 207346), (190, 103673), (215, 91618), (430, 45809), (817, 24110), (1634, 12055), (2411, 8170), (4085, 4822)]