19082120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9001}}^1$

素因数の和:9065

約数の個数: 32

約数和(自身を含む): 43749720

約数和(自身を除く): 24667600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 9001, 18002, 36004, 45005, 72008, 90010, 180020, 360040, 477053, 954106, 1908212, 2385265, 3816424, 4770530, 9541060, 19082120]

約数ペア:

[(1, 19082120), (2, 9541060), (4, 4770530), (5, 3816424), (8, 2385265), (10, 1908212), (20, 954106), (40, 477053), (53, 360040), (106, 180020), (212, 90010), (265, 72008), (424, 45005), (530, 36004), (1060, 18002), (2120, 9001)]