19046420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22147}}^1$

素因数の和:22199

約数の個数: 24

約数和(自身を含む): 40929504

約数和(自身を除く): 21883084

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 22147, 44294, 88588, 110735, 221470, 442940, 952321, 1904642, 3809284, 4761605, 9523210, 19046420]

約数ペア:

[(1, 19046420), (2, 9523210), (4, 4761605), (5, 3809284), (10, 1904642), (20, 952321), (43, 442940), (86, 221470), (172, 110735), (215, 88588), (430, 44294), (860, 22147)]