1811960

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{467}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 4127760

約数和(自身を除く): 2315800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 467, 485, 776, 934, 970, 1868, 1940, 2335, 3736, 3880, 4670, 9340, 18680, 45299, 90598, 181196, 226495, 362392, 452990, 905980, 1811960]

約数ペア:

[(1, 1811960), (2, 905980), (4, 452990), (5, 362392), (8, 226495), (10, 181196), (20, 90598), (40, 45299), (97, 18680), (194, 9340), (388, 4670), (467, 3880), (485, 3736), (776, 2335), (934, 1940), (970, 1868)]