19491400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2377}}^1$

素因数の和:2434

約数の個数: 48

約数和(自身を含む): 46442340

約数和(自身を除く): 26950940

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 2377, 4100, 4754, 8200, 9508, 11885, 19016, 23770, 47540, 59425, 95080, 97457, 118850, 194914, 237700, 389828, 475400, 487285, 779656, 974570, 1949140, 2436425, 3898280, 4872850, 9745700, 19491400]

約数ペア:

[(1, 19491400), (2, 9745700), (4, 4872850), (5, 3898280), (8, 2436425), (10, 1949140), (20, 974570), (25, 779656), (40, 487285), (41, 475400), (50, 389828), (82, 237700), (100, 194914), (164, 118850), (200, 97457), (205, 95080), (328, 59425), (410, 47540), (820, 23770), (1025, 19016), (1640, 11885), (2050, 9508), (2377, 8200), (4100, 4754)]