2019481672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1\times {\mathrm{409}}^1$

素因数の和:866

約数の個数: 64

約数和(自身を含む): 4125567600

約数和(自身を除く): 2106085928

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197, 241, 394, 409, 482, 788, 818, 964, 1576, 1636, 1928, 2561, 3133, 3272, 5122, 5317, 6266, 10244, 10634, 12532, 20488, 21268, 25064, 42536, 47477, 80573, 94954, 98569, 161146, 189908, 197138, 322292, 379816, 394276, 617201, 644584, 788552, 1047449, 1234402, 1281397, 2094898, 2468804, 2562794, 4189796, 4937608, 5125588, 8379592, 10251176, 19418093, 38836186, 77672372, 155344744, 252435209, 504870418, 1009740836, 2019481672]

約数ペア:

[(1, 2019481672), (2, 1009740836), (4, 504870418), (8, 252435209), (13, 155344744), (26, 77672372), (52, 38836186), (104, 19418093), (197, 10251176), (241, 8379592), (394, 5125588), (409, 4937608), (482, 4189796), (788, 2562794), (818, 2468804), (964, 2094898), (1576, 1281397), (1636, 1234402), (1928, 1047449), (2561, 788552), (3133, 644584), (3272, 617201), (5122, 394276), (5317, 379816), (6266, 322292), (10244, 197138), (10634, 189908), (12532, 161146), (20488, 98569), (21268, 94954), (25064, 80573), (42536, 47477)]