18882710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 42923520

約数和(自身を除く): 24040810

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 137, 154, 179, 274, 358, 385, 685, 770, 895, 959, 1253, 1370, 1507, 1790, 1918, 1969, 2506, 3014, 3938, 4795, 6265, 7535, 9590, 9845, 10549, 12530, 13783, 15070, 19690, 21098, 24523, 27566, 49046, 52745, 68915, 105490, 122615, 137830, 171661, 245230, 269753, 343322, 539506, 858305, 1348765, 1716610, 1888271, 2697530, 3776542, 9441355, 18882710]

約数ペア:

[(1, 18882710), (2, 9441355), (5, 3776542), (7, 2697530), (10, 1888271), (11, 1716610), (14, 1348765), (22, 858305), (35, 539506), (55, 343322), (70, 269753), (77, 245230), (110, 171661), (137, 137830), (154, 122615), (179, 105490), (274, 68915), (358, 52745), (385, 49046), (685, 27566), (770, 24523), (895, 21098), (959, 19690), (1253, 15070), (1370, 13783), (1507, 12530), (1790, 10549), (1918, 9845), (1969, 9590), (2506, 7535), (3014, 6265), (3938, 4795)]