19440848

素因数分解:

$2^4\times 7^2\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:340

約数の個数: 60

約数和(自身を含む): 44379972

約数和(自身を除く): 24939124

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 137, 181, 196, 274, 362, 392, 548, 724, 784, 959, 1096, 1267, 1448, 1918, 2192, 2534, 2896, 3836, 5068, 6713, 7672, 8869, 10136, 13426, 15344, 17738, 20272, 24797, 26852, 35476, 49594, 53704, 70952, 99188, 107408, 141904, 173579, 198376, 347158, 396752, 694316, 1215053, 1388632, 2430106, 2777264, 4860212, 9720424, 19440848]

約数ペア:

[(1, 19440848), (2, 9720424), (4, 4860212), (7, 2777264), (8, 2430106), (14, 1388632), (16, 1215053), (28, 694316), (49, 396752), (56, 347158), (98, 198376), (112, 173579), (137, 141904), (181, 107408), (196, 99188), (274, 70952), (362, 53704), (392, 49594), (548, 35476), (724, 26852), (784, 24797), (959, 20272), (1096, 17738), (1267, 15344), (1448, 13426), (1918, 10136), (2192, 8869), (2534, 7672), (2896, 6713), (3836, 5068)]