18843928

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 36736560

約数和(自身を除く): 17892632

約数列:

[1, 2, 4, 8, 41, 73, 82, 146, 164, 292, 328, 584, 787, 1574, 2993, 3148, 5986, 6296, 11972, 23944, 32267, 57451, 64534, 114902, 129068, 229804, 258136, 459608, 2355491, 4710982, 9421964, 18843928]

約数ペア:

[(1, 18843928), (2, 9421964), (4, 4710982), (8, 2355491), (41, 459608), (73, 258136), (82, 229804), (146, 129068), (164, 114902), (292, 64534), (328, 57451), (584, 32267), (787, 23944), (1574, 11972), (2993, 6296), (3148, 5986)]