18193648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{619}}^1$

素因数の和:805

約数の個数: 40

約数和(自身を含む): 38747520

約数和(自身を除く): 20553872

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 167, 176, 334, 619, 668, 1238, 1336, 1837, 2476, 2672, 3674, 4952, 6809, 7348, 9904, 13618, 14696, 27236, 29392, 54472, 103373, 108944, 206746, 413492, 826984, 1137103, 1653968, 2274206, 4548412, 9096824, 18193648]

約数ペア:

[(1, 18193648), (2, 9096824), (4, 4548412), (8, 2274206), (11, 1653968), (16, 1137103), (22, 826984), (44, 413492), (88, 206746), (167, 108944), (176, 103373), (334, 54472), (619, 29392), (668, 27236), (1238, 14696), (1336, 13618), (1837, 9904), (2476, 7348), (2672, 6809), (3674, 4952)]