19780344

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{6389}}^1$

素因数の和:6444

約数の個数: 48

約数和(自身を含む): 54826200

約数和(自身を除く): 35045856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 6389, 12778, 19167, 25556, 38334, 51112, 57501, 76668, 115002, 153336, 230004, 274727, 460008, 549454, 824181, 1098908, 1648362, 2197816, 2472543, 3296724, 4945086, 6593448, 9890172, 19780344]

約数ペア:

[(1, 19780344), (2, 9890172), (3, 6593448), (4, 4945086), (6, 3296724), (8, 2472543), (9, 2197816), (12, 1648362), (18, 1098908), (24, 824181), (36, 549454), (43, 460008), (72, 274727), (86, 230004), (129, 153336), (172, 115002), (258, 76668), (344, 57501), (387, 51112), (516, 38334), (774, 25556), (1032, 19167), (1548, 12778), (3096, 6389)]