18743193

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10259}}^1$

素因数の和:10301

約数の個数: 24

約数和(自身を含む): 32011200

約数和(自身を除く): 13268007

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 10259, 30777, 71813, 92331, 215439, 297511, 646317, 892533, 2082577, 2677599, 6247731, 18743193]

約数ペア:

[(1, 18743193), (3, 6247731), (7, 2677599), (9, 2082577), (21, 892533), (29, 646317), (63, 297511), (87, 215439), (203, 92331), (261, 71813), (609, 30777), (1827, 10259)]