19516288

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 43182720

約数和(自身を除く): 23666432

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 83, 88, 128, 166, 167, 176, 332, 334, 352, 664, 668, 704, 913, 1328, 1336, 1408, 1826, 1837, 2656, 2672, 3652, 3674, 5312, 5344, 7304, 7348, 10624, 10688, 13861, 14608, 14696, 21376, 27722, 29216, 29392, 55444, 58432, 58784, 110888, 116864, 117568, 152471, 221776, 235136, 304942, 443552, 609884, 887104, 1219768, 1774208, 2439536, 4879072, 9758144, 19516288]

約数ペア:

[(1, 19516288), (2, 9758144), (4, 4879072), (8, 2439536), (11, 1774208), (16, 1219768), (22, 887104), (32, 609884), (44, 443552), (64, 304942), (83, 235136), (88, 221776), (128, 152471), (166, 117568), (167, 116864), (176, 110888), (332, 58784), (334, 58432), (352, 55444), (664, 29392), (668, 29216), (704, 27722), (913, 21376), (1328, 14696), (1336, 14608), (1408, 13861), (1826, 10688), (1837, 10624), (2656, 7348), (2672, 7304), (3652, 5344), (3674, 5312)]