19113904

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:517

約数の個数: 40

約数和(自身を含む): 38591280

約数和(自身を除く): 19477376

約数列:

[1, 2, 4, 8, 16, 37, 74, 83, 148, 166, 296, 332, 389, 592, 664, 778, 1328, 1556, 3071, 3112, 6142, 6224, 12284, 14393, 24568, 28786, 32287, 49136, 57572, 64574, 115144, 129148, 230288, 258296, 516592, 1194619, 2389238, 4778476, 9556952, 19113904]

約数ペア:

[(1, 19113904), (2, 9556952), (4, 4778476), (8, 2389238), (16, 1194619), (37, 516592), (74, 258296), (83, 230288), (148, 129148), (166, 115144), (296, 64574), (332, 57572), (389, 49136), (592, 32287), (664, 28786), (778, 24568), (1328, 14393), (1556, 12284), (3071, 6224), (3112, 6142)]