18794391

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 32503680

約数和(自身を除く): 13709289

約数列:

[1, 3, 7, 11, 21, 33, 49, 59, 77, 147, 177, 197, 231, 413, 539, 591, 649, 1239, 1379, 1617, 1947, 2167, 2891, 4137, 4543, 6501, 8673, 9653, 11623, 13629, 15169, 28959, 31801, 34869, 45507, 81361, 95403, 106183, 127853, 244083, 318549, 383559, 569527, 894971, 1708581, 2684913, 6264797, 18794391]

約数ペア:

[(1, 18794391), (3, 6264797), (7, 2684913), (11, 1708581), (21, 894971), (33, 569527), (49, 383559), (59, 318549), (77, 244083), (147, 127853), (177, 106183), (197, 95403), (231, 81361), (413, 45507), (539, 34869), (591, 31801), (649, 28959), (1239, 15169), (1379, 13629), (1617, 11623), (1947, 9653), (2167, 8673), (2891, 6501), (4137, 4543)]