22168820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 49412160

約数和(自身を除く): 27243340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 227, 257, 380, 454, 514, 908, 1028, 1135, 1285, 2270, 2570, 4313, 4540, 4883, 5140, 8626, 9766, 17252, 19532, 21565, 24415, 43130, 48830, 58339, 86260, 97660, 116678, 233356, 291695, 583390, 1108441, 1166780, 2216882, 4433764, 5542205, 11084410, 22168820]

約数ペア:

[(1, 22168820), (2, 11084410), (4, 5542205), (5, 4433764), (10, 2216882), (19, 1166780), (20, 1108441), (38, 583390), (76, 291695), (95, 233356), (190, 116678), (227, 97660), (257, 86260), (380, 58339), (454, 48830), (514, 43130), (908, 24415), (1028, 21565), (1135, 19532), (1285, 17252), (2270, 9766), (2570, 8626), (4313, 5140), (4540, 4883)]