17812228

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20521}}^1$

素因数の和:20563

約数の個数: 24

約数和(自身を含む): 36775424

約数和(自身を除く): 18963196

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 20521, 41042, 82084, 143647, 287294, 574588, 636151, 1272302, 2544604, 4453057, 8906114, 17812228]

約数ペア:

[(1, 17812228), (2, 8906114), (4, 4453057), (7, 2544604), (14, 1272302), (28, 636151), (31, 574588), (62, 287294), (124, 143647), (217, 82084), (434, 41042), (868, 20521)]