19779056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2741}}^1$

素因数の和:2801

約数の個数: 40

約数和(自身を含む): 42841008

約数和(自身を除く): 23061952

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 2741, 3608, 5482, 7216, 10964, 21928, 30151, 43856, 60302, 112381, 120604, 224762, 241208, 449524, 482416, 899048, 1236191, 1798096, 2472382, 4944764, 9889528, 19779056]

約数ペア:

[(1, 19779056), (2, 9889528), (4, 4944764), (8, 2472382), (11, 1798096), (16, 1236191), (22, 899048), (41, 482416), (44, 449524), (82, 241208), (88, 224762), (164, 120604), (176, 112381), (328, 60302), (451, 43856), (656, 30151), (902, 21928), (1804, 10964), (2741, 7216), (3608, 5482)]