18875384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1123}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 38845440

約数和(自身を除く): 19970056

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 191, 382, 764, 1123, 1528, 2101, 2246, 4202, 4492, 8404, 8984, 12353, 16808, 24706, 49412, 98824, 214493, 428986, 857972, 1715944, 2359423, 4718846, 9437692, 18875384]

約数ペア:

[(1, 18875384), (2, 9437692), (4, 4718846), (8, 2359423), (11, 1715944), (22, 857972), (44, 428986), (88, 214493), (191, 98824), (382, 49412), (764, 24706), (1123, 16808), (1528, 12353), (2101, 8984), (2246, 8404), (4202, 4492)]