19134328

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 37209600

約数和(自身を除く): 18075272

約数列:

[1, 2, 4, 8, 37, 74, 127, 148, 254, 296, 508, 509, 1016, 1018, 2036, 4072, 4699, 9398, 18796, 18833, 37592, 37666, 64643, 75332, 129286, 150664, 258572, 517144, 2391791, 4783582, 9567164, 19134328]

約数ペア:

[(1, 19134328), (2, 9567164), (4, 4783582), (8, 2391791), (37, 517144), (74, 258572), (127, 150664), (148, 129286), (254, 75332), (296, 64643), (508, 37666), (509, 37592), (1016, 18833), (1018, 18796), (2036, 9398), (4072, 4699)]