19392140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22549}}^1$

素因数の和:22601

約数の個数: 24

約数和(自身を含む): 41672400

約数和(自身を除く): 22280260

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 22549, 45098, 90196, 112745, 225490, 450980, 969607, 1939214, 3878428, 4848035, 9696070, 19392140]

約数ペア:

[(1, 19392140), (2, 9696070), (4, 4848035), (5, 3878428), (10, 1939214), (20, 969607), (43, 450980), (86, 225490), (172, 112745), (215, 90196), (430, 45098), (860, 22549)]