19605705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3061}}^1$

素因数の和:3137

約数の個数: 32

約数和(自身を含む): 36450048

約数和(自身を除く): 16844343

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 3061, 6405, 9183, 15305, 21427, 45915, 64281, 107135, 186721, 321405, 560163, 933605, 1307047, 2800815, 3921141, 6535235, 19605705]

約数ペア:

[(1, 19605705), (3, 6535235), (5, 3921141), (7, 2800815), (15, 1307047), (21, 933605), (35, 560163), (61, 321405), (105, 186721), (183, 107135), (305, 64281), (427, 45915), (915, 21427), (1281, 15305), (2135, 9183), (3061, 6405)]