19239184

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:343

約数の個数: 40

約数和(自身を含む): 38399328

約数和(自身を除く): 19160144

約数列:

[1, 2, 4, 8, 16, 67, 131, 134, 137, 262, 268, 274, 524, 536, 548, 1048, 1072, 1096, 2096, 2192, 8777, 9179, 17554, 17947, 18358, 35108, 35894, 36716, 70216, 71788, 73432, 140432, 143576, 146864, 287152, 1202449, 2404898, 4809796, 9619592, 19239184]

約数ペア:

[(1, 19239184), (2, 9619592), (4, 4809796), (8, 2404898), (16, 1202449), (67, 287152), (131, 146864), (134, 143576), (137, 140432), (262, 73432), (268, 71788), (274, 70216), (524, 36716), (536, 35894), (548, 35108), (1048, 18358), (1072, 17947), (1096, 17554), (2096, 9179), (2192, 8777)]