18408027

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 9977253

約数列:

[1, 3, 11, 23, 33, 69, 79, 237, 253, 307, 759, 869, 921, 1817, 2607, 3377, 5451, 7061, 10131, 19987, 21183, 24253, 59961, 72759, 77671, 233013, 266783, 557819, 800349, 1673457, 6136009, 18408027]

約数ペア:

[(1, 18408027), (3, 6136009), (11, 1673457), (23, 800349), (33, 557819), (69, 266783), (79, 233013), (237, 77671), (253, 72759), (307, 59961), (759, 24253), (869, 21183), (921, 19987), (1817, 10131), (2607, 7061), (3377, 5451)]