18871812

素因数分解:

$2^2\times 3^3\times {\mathrm{197}}^1\times {\mathrm{887}}^1$

素因数の和:1097

約数の個数: 48

約数和(自身を含む): 49230720

約数和(自身を除く): 30358908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 197, 394, 591, 788, 887, 1182, 1773, 1774, 2364, 2661, 3546, 3548, 5319, 5322, 7092, 7983, 10638, 10644, 15966, 21276, 23949, 31932, 47898, 95796, 174739, 349478, 524217, 698956, 1048434, 1572651, 2096868, 3145302, 4717953, 6290604, 9435906, 18871812]

約数ペア:

[(1, 18871812), (2, 9435906), (3, 6290604), (4, 4717953), (6, 3145302), (9, 2096868), (12, 1572651), (18, 1048434), (27, 698956), (36, 524217), (54, 349478), (108, 174739), (197, 95796), (394, 47898), (591, 31932), (788, 23949), (887, 21276), (1182, 15966), (1773, 10644), (1774, 10638), (2364, 7983), (2661, 7092), (3546, 5322), (3548, 5319)]