19147389

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 28344960

約数和(自身を除く): 9197571

約数列:

[1, 3, 17, 37, 51, 73, 111, 139, 219, 417, 629, 1241, 1887, 2363, 2701, 3723, 5143, 7089, 8103, 10147, 15429, 30441, 45917, 87431, 137751, 172499, 262293, 375439, 517497, 1126317, 6382463, 19147389]

約数ペア:

[(1, 19147389), (3, 6382463), (17, 1126317), (37, 517497), (51, 375439), (73, 262293), (111, 172499), (139, 137751), (219, 87431), (417, 45917), (629, 30441), (1241, 15429), (1887, 10147), (2363, 8103), (2701, 7089), (3723, 5143)]