19313680

素因数分解:

$2^4\times 5^1\times {\mathrm{241421}}^1$

素因数の和:241434

約数の個数: 20

約数和(自身を含む): 44904492

約数和(自身を除く): 25590812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241421, 482842, 965684, 1207105, 1931368, 2414210, 3862736, 4828420, 9656840, 19313680]

約数ペア:

[(1, 19313680), (2, 9656840), (4, 4828420), (5, 3862736), (8, 2414210), (10, 1931368), (16, 1207105), (20, 965684), (40, 482842), (80, 241421)]