19637756

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 37847040

約数和(自身を除く): 18209284

約数列:

[1, 2, 4, 29, 31, 43, 58, 62, 86, 116, 124, 127, 172, 254, 508, 899, 1247, 1333, 1798, 2494, 2666, 3596, 3683, 3937, 4988, 5332, 5461, 7366, 7874, 10922, 14732, 15748, 21844, 38657, 77314, 114173, 154628, 158369, 169291, 228346, 316738, 338582, 456692, 633476, 677164, 4909439, 9818878, 19637756]

約数ペア:

[(1, 19637756), (2, 9818878), (4, 4909439), (29, 677164), (31, 633476), (43, 456692), (58, 338582), (62, 316738), (86, 228346), (116, 169291), (124, 158369), (127, 154628), (172, 114173), (254, 77314), (508, 38657), (899, 21844), (1247, 15748), (1333, 14732), (1798, 10922), (2494, 7874), (2666, 7366), (3596, 5461), (3683, 5332), (3937, 4988)]