18967218

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1787}}^1$

素因数の和:1882

約数の個数: 32

約数和(自身を含む): 39908160

約数和(自身を除く): 20940942

約数列:

[1, 2, 3, 6, 29, 58, 61, 87, 122, 174, 183, 366, 1769, 1787, 3538, 3574, 5307, 5361, 10614, 10722, 51823, 103646, 109007, 155469, 218014, 310938, 327021, 654042, 3161203, 6322406, 9483609, 18967218]

約数ペア:

[(1, 18967218), (2, 9483609), (3, 6322406), (6, 3161203), (29, 654042), (58, 327021), (61, 310938), (87, 218014), (122, 155469), (174, 109007), (183, 103646), (366, 51823), (1769, 10722), (1787, 10614), (3538, 5361), (3574, 5307)]