18510224

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:663

約数の個数: 40

約数和(自身を含む): 37640448

約数和(自身を除く): 19130224

約数列:

[1, 2, 4, 8, 16, 31, 62, 67, 124, 134, 248, 268, 496, 536, 557, 1072, 1114, 2077, 2228, 4154, 4456, 8308, 8912, 16616, 17267, 33232, 34534, 37319, 69068, 74638, 138136, 149276, 276272, 298552, 597104, 1156889, 2313778, 4627556, 9255112, 18510224]

約数ペア:

[(1, 18510224), (2, 9255112), (4, 4627556), (8, 2313778), (16, 1156889), (31, 597104), (62, 298552), (67, 276272), (124, 149276), (134, 138136), (248, 74638), (268, 69068), (496, 37319), (536, 34534), (557, 33232), (1072, 17267), (1114, 16616), (2077, 8912), (2228, 8308), (4154, 4456)]