18158534128

素因数分解:

$2^4\times 7^1\times {\mathrm{263}}^1\times {\mathrm{616463}}^1$

素因数の和:616741

約数の個数: 40

約数和(自身を含む): 40361131008

約数和(自身を除く): 22202596880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 263, 526, 1052, 1841, 2104, 3682, 4208, 7364, 14728, 29456, 616463, 1232926, 2465852, 4315241, 4931704, 8630482, 9863408, 17260964, 34521928, 69043856, 162129769, 324259538, 648519076, 1134908383, 1297038152, 2269816766, 2594076304, 4539633532, 9079267064, 18158534128]

約数ペア:

[(1, 18158534128), (2, 9079267064), (4, 4539633532), (7, 2594076304), (8, 2269816766), (14, 1297038152), (16, 1134908383), (28, 648519076), (56, 324259538), (112, 162129769), (263, 69043856), (526, 34521928), (1052, 17260964), (1841, 9863408), (2104, 8630482), (3682, 4931704), (4208, 4315241), (7364, 2465852), (14728, 1232926), (29456, 616463)]