12787722

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 29484000

約数和(自身を除く): 16696278

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 139, 171, 269, 278, 342, 417, 538, 807, 834, 1251, 1614, 2421, 2502, 2641, 4842, 5111, 5282, 7923, 10222, 15333, 15846, 23769, 30666, 37391, 45999, 47538, 74782, 91998, 112173, 224346, 336519, 673038, 710429, 1420858, 2131287, 4262574, 6393861, 12787722]

約数ペア:

[(1, 12787722), (2, 6393861), (3, 4262574), (6, 2131287), (9, 1420858), (18, 710429), (19, 673038), (38, 336519), (57, 224346), (114, 112173), (139, 91998), (171, 74782), (269, 47538), (278, 45999), (342, 37391), (417, 30666), (538, 23769), (807, 15846), (834, 15333), (1251, 10222), (1614, 7923), (2421, 5282), (2502, 5111), (2641, 4842)]