15474740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 34547520

約数和(自身を除く): 19072780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 193, 211, 380, 386, 422, 772, 844, 965, 1055, 1930, 2110, 3667, 3860, 4009, 4220, 7334, 8018, 14668, 16036, 18335, 20045, 36670, 40090, 40723, 73340, 80180, 81446, 162892, 203615, 407230, 773737, 814460, 1547474, 3094948, 3868685, 7737370, 15474740]

約数ペア:

[(1, 15474740), (2, 7737370), (4, 3868685), (5, 3094948), (10, 1547474), (19, 814460), (20, 773737), (38, 407230), (76, 203615), (95, 162892), (190, 81446), (193, 80180), (211, 73340), (380, 40723), (386, 40090), (422, 36670), (772, 20045), (844, 18335), (965, 16036), (1055, 14668), (1930, 8018), (2110, 7334), (3667, 4220), (3860, 4009)]