20181444992

素因数分解:

$2^7\times {\mathrm{131}}^1\times {\mathrm{167}}^1\times {\mathrm{7207}}^1$

素因数の和:7519

約数の個数: 64

約数和(自身を含む): 40760375040

約数和(自身を除く): 20578930048

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 167, 262, 334, 524, 668, 1048, 1336, 2096, 2672, 4192, 5344, 7207, 8384, 10688, 14414, 16768, 21376, 21877, 28828, 43754, 57656, 87508, 115312, 175016, 230624, 350032, 461248, 700064, 922496, 944117, 1203569, 1400128, 1888234, 2407138, 2800256, 3776468, 4814276, 7552936, 9628552, 15105872, 19257104, 30211744, 38514208, 60423488, 77028416, 120846976, 154056832, 157667539, 315335078, 630670156, 1261340312, 2522680624, 5045361248, 10090722496, 20181444992]

約数ペア:

[(1, 20181444992), (2, 10090722496), (4, 5045361248), (8, 2522680624), (16, 1261340312), (32, 630670156), (64, 315335078), (128, 157667539), (131, 154056832), (167, 120846976), (262, 77028416), (334, 60423488), (524, 38514208), (668, 30211744), (1048, 19257104), (1336, 15105872), (2096, 9628552), (2672, 7552936), (4192, 4814276), (5344, 3776468), (7207, 2800256), (8384, 2407138), (10688, 1888234), (14414, 1400128), (16768, 1203569), (21376, 944117), (21877, 922496), (28828, 700064), (43754, 461248), (57656, 350032), (87508, 230624), (115312, 175016)]