19097968

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:361

約数の個数: 40

約数和(自身を含む): 38153808

約数和(自身を除く): 19055840

約数列:

[1, 2, 4, 8, 16, 73, 83, 146, 166, 197, 292, 332, 394, 584, 664, 788, 1168, 1328, 1576, 3152, 6059, 12118, 14381, 16351, 24236, 28762, 32702, 48472, 57524, 65404, 96944, 115048, 130808, 230096, 261616, 1193623, 2387246, 4774492, 9548984, 19097968]

約数ペア:

[(1, 19097968), (2, 9548984), (4, 4774492), (8, 2387246), (16, 1193623), (73, 261616), (83, 230096), (146, 130808), (166, 115048), (197, 96944), (292, 65404), (332, 57524), (394, 48472), (584, 32702), (664, 28762), (788, 24236), (1168, 16351), (1328, 14381), (1576, 12118), (3152, 6059)]