19941278724

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{12881963}}^1$

素因数の和:12882016

約数の個数: 36

約数和(自身を含む): 51579383856

約数和(自身を除く): 31638105132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 12881963, 25763926, 38645889, 51527852, 77291778, 115937667, 154583556, 231875334, 463750668, 553924409, 1107848818, 1661773227, 2215697636, 3323546454, 4985319681, 6647092908, 9970639362, 19941278724]

約数ペア:

[(1, 19941278724), (2, 9970639362), (3, 6647092908), (4, 4985319681), (6, 3323546454), (9, 2215697636), (12, 1661773227), (18, 1107848818), (36, 553924409), (43, 463750668), (86, 231875334), (129, 154583556), (172, 115937667), (258, 77291778), (387, 51527852), (516, 38645889), (774, 25763926), (1548, 12881963)]