2019997255

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1\times {\mathrm{1163}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 2614809600

約数和(自身を除く): 594812345

約数列:

[1, 5, 19, 47, 95, 235, 389, 893, 1163, 1945, 4465, 5815, 7391, 18283, 22097, 36955, 54661, 91415, 110485, 273305, 347377, 452407, 1038559, 1736885, 2262035, 5192795, 8595733, 21263129, 42978665, 106315645, 403999451, 2019997255]

約数ペア:

[(1, 2019997255), (5, 403999451), (19, 106315645), (47, 42978665), (95, 21263129), (235, 8595733), (389, 5192795), (893, 2262035), (1163, 1736885), (1945, 1038559), (4465, 452407), (5815, 347377), (7391, 273305), (18283, 110485), (22097, 91415), (36955, 54661)]