187838408

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{193}}^1\times {\mathrm{337}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 374743980

約数和(自身を除く): 186905572

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 193, 337, 361, 386, 674, 722, 772, 1348, 1444, 1544, 2696, 2888, 3667, 6403, 7334, 12806, 14668, 25612, 29336, 51224, 65041, 69673, 121657, 130082, 139346, 243314, 260164, 278692, 486628, 520328, 557384, 973256, 1235779, 2471558, 4943116, 9886232, 23479801, 46959602, 93919204, 187838408]

約数ペア:

[(1, 187838408), (2, 93919204), (4, 46959602), (8, 23479801), (19, 9886232), (38, 4943116), (76, 2471558), (152, 1235779), (193, 973256), (337, 557384), (361, 520328), (386, 486628), (674, 278692), (722, 260164), (772, 243314), (1348, 139346), (1444, 130082), (1544, 121657), (2696, 69673), (2888, 65041), (3667, 51224), (6403, 29336), (7334, 25612), (12806, 14668)]