19381208

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 46033920

約数和(自身を除く): 26652712

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 73, 77, 88, 146, 154, 292, 308, 431, 511, 584, 616, 803, 862, 1022, 1606, 1724, 2044, 3017, 3212, 3448, 4088, 4741, 5621, 6034, 6424, 9482, 11242, 12068, 18964, 22484, 24136, 31463, 33187, 37928, 44968, 62926, 66374, 125852, 132748, 220241, 251704, 265496, 346093, 440482, 692186, 880964, 1384372, 1761928, 2422651, 2768744, 4845302, 9690604, 19381208]

約数ペア:

[(1, 19381208), (2, 9690604), (4, 4845302), (7, 2768744), (8, 2422651), (11, 1761928), (14, 1384372), (22, 880964), (28, 692186), (44, 440482), (56, 346093), (73, 265496), (77, 251704), (88, 220241), (146, 132748), (154, 125852), (292, 66374), (308, 62926), (431, 44968), (511, 37928), (584, 33187), (616, 31463), (803, 24136), (862, 22484), (1022, 18964), (1606, 12068), (1724, 11242), (2044, 9482), (3017, 6424), (3212, 6034), (3448, 5621), (4088, 4741)]