19074280

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1697}}^1$

素因数の和:1989

約数の個数: 32

約数和(自身を含む): 43095240

約数和(自身を除く): 24020960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 1697, 2248, 2810, 3394, 5620, 6788, 8485, 11240, 13576, 16970, 33940, 67880, 476857, 953714, 1907428, 2384285, 3814856, 4768570, 9537140, 19074280]

約数ペア:

[(1, 19074280), (2, 9537140), (4, 4768570), (5, 3814856), (8, 2384285), (10, 1907428), (20, 953714), (40, 476857), (281, 67880), (562, 33940), (1124, 16970), (1405, 13576), (1697, 11240), (2248, 8485), (2810, 6788), (3394, 5620)]