19314280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11777}}^1$

素因数の和:11829

約数の個数: 32

約数和(自身を含む): 44520840

約数和(自身を除く): 25206560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 11777, 23554, 47108, 58885, 94216, 117770, 235540, 471080, 482857, 965714, 1931428, 2414285, 3862856, 4828570, 9657140, 19314280]

約数ペア:

[(1, 19314280), (2, 9657140), (4, 4828570), (5, 3862856), (8, 2414285), (10, 1931428), (20, 965714), (40, 482857), (41, 471080), (82, 235540), (164, 117770), (205, 94216), (328, 58885), (410, 47108), (820, 23554), (1640, 11777)]