19843407756

素因数分解:

$2^2\times 3^3\times {\mathrm{509}}^1\times {\mathrm{360973}}^1$

素因数の和:361495

約数の個数: 48

約数和(自身を含む): 51547087200

約数和(自身を除く): 31703679444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 509, 1018, 1527, 2036, 3054, 4581, 6108, 9162, 13743, 18324, 27486, 54972, 360973, 721946, 1082919, 1443892, 2165838, 3248757, 4331676, 6497514, 9746271, 12995028, 19492542, 38985084, 183735257, 367470514, 551205771, 734941028, 1102411542, 1653617313, 2204823084, 3307234626, 4960851939, 6614469252, 9921703878, 19843407756]

約数ペア:

[(1, 19843407756), (2, 9921703878), (3, 6614469252), (4, 4960851939), (6, 3307234626), (9, 2204823084), (12, 1653617313), (18, 1102411542), (27, 734941028), (36, 551205771), (54, 367470514), (108, 183735257), (509, 38985084), (1018, 19492542), (1527, 12995028), (2036, 9746271), (3054, 6497514), (4581, 4331676), (6108, 3248757), (9162, 2165838), (13743, 1443892), (18324, 1082919), (27486, 721946), (54972, 360973)]