2009686468

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1\times {\mathrm{971}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 3754175040

約数和(自身を除く): 1744488572

約数列:

[1, 2, 4, 19, 38, 76, 113, 226, 241, 452, 482, 964, 971, 1942, 2147, 3884, 4294, 4579, 8588, 9158, 18316, 18449, 27233, 36898, 54466, 73796, 108932, 109723, 219446, 234011, 438892, 468022, 517427, 936044, 1034854, 2069708, 2084737, 4169474, 4446209, 8338948, 8892418, 17784836, 26443243, 52886486, 105772972, 502421617, 1004843234, 2009686468]

約数ペア:

[(1, 2009686468), (2, 1004843234), (4, 502421617), (19, 105772972), (38, 52886486), (76, 26443243), (113, 17784836), (226, 8892418), (241, 8338948), (452, 4446209), (482, 4169474), (964, 2084737), (971, 2069708), (1942, 1034854), (2147, 936044), (3884, 517427), (4294, 468022), (4579, 438892), (8588, 234011), (9158, 219446), (18316, 109723), (18449, 108932), (27233, 73796), (36898, 54466)]