19425728

素因数分解:

$2^6\times 7^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:481

約数の個数: 56

約数和(自身を含む): 44525184

約数和(自身を除く): 25099456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 131, 224, 262, 331, 448, 524, 662, 917, 1048, 1324, 1834, 2096, 2317, 2648, 3668, 4192, 4634, 5296, 7336, 8384, 9268, 10592, 14672, 18536, 21184, 29344, 37072, 43361, 58688, 74144, 86722, 148288, 173444, 303527, 346888, 607054, 693776, 1214108, 1387552, 2428216, 2775104, 4856432, 9712864, 19425728]

約数ペア:

[(1, 19425728), (2, 9712864), (4, 4856432), (7, 2775104), (8, 2428216), (14, 1387552), (16, 1214108), (28, 693776), (32, 607054), (56, 346888), (64, 303527), (112, 173444), (131, 148288), (224, 86722), (262, 74144), (331, 58688), (448, 43361), (524, 37072), (662, 29344), (917, 21184), (1048, 18536), (1324, 14672), (1834, 10592), (2096, 9268), (2317, 8384), (2648, 7336), (3668, 5296), (4192, 4634)]