19941260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 44617440

約数和(自身を除く): 24676180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 541, 970, 1082, 1843, 1940, 2164, 2705, 3686, 5410, 7372, 9215, 10279, 10820, 18430, 20558, 36860, 41116, 51395, 52477, 102790, 104954, 205580, 209908, 262385, 524770, 997063, 1049540, 1994126, 3988252, 4985315, 9970630, 19941260]

約数ペア:

[(1, 19941260), (2, 9970630), (4, 4985315), (5, 3988252), (10, 1994126), (19, 1049540), (20, 997063), (38, 524770), (76, 262385), (95, 209908), (97, 205580), (190, 104954), (194, 102790), (380, 52477), (388, 51395), (485, 41116), (541, 36860), (970, 20558), (1082, 18430), (1843, 10820), (1940, 10279), (2164, 9215), (2705, 7372), (3686, 5410)]