19610800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4457}}^1$

素因数の和:4486

約数の個数: 60

約数和(自身を含む): 51409656

約数和(自身を除く): 31798856

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 4457, 8914, 17828, 22285, 35656, 44570, 49027, 71312, 89140, 98054, 111425, 178280, 196108, 222850, 245135, 356560, 392216, 445700, 490270, 784432, 891400, 980540, 1225675, 1782800, 1961080, 2451350, 3922160, 4902700, 9805400, 19610800]

約数ペア:

[(1, 19610800), (2, 9805400), (4, 4902700), (5, 3922160), (8, 2451350), (10, 1961080), (11, 1782800), (16, 1225675), (20, 980540), (22, 891400), (25, 784432), (40, 490270), (44, 445700), (50, 392216), (55, 356560), (80, 245135), (88, 222850), (100, 196108), (110, 178280), (176, 111425), (200, 98054), (220, 89140), (275, 71312), (400, 49027), (440, 44570), (550, 35656), (880, 22285), (1100, 17828), (2200, 8914), (4400, 4457)]