19088030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{409}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 37195200

約数和(自身を除く): 18107170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 359, 409, 718, 818, 1795, 2045, 3590, 4090, 4667, 5317, 9334, 10634, 23335, 26585, 46670, 53170, 146831, 293662, 734155, 1468310, 1908803, 3817606, 9544015, 19088030]

約数ペア:

[(1, 19088030), (2, 9544015), (5, 3817606), (10, 1908803), (13, 1468310), (26, 734155), (65, 293662), (130, 146831), (359, 53170), (409, 46670), (718, 26585), (818, 23335), (1795, 10634), (2045, 9334), (3590, 5317), (4090, 4667)]