19434415

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 31639104

約数和(自身を除く): 12204689

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 121, 143, 353, 385, 455, 605, 715, 847, 1001, 1573, 1765, 2471, 3883, 4235, 4589, 5005, 7865, 11011, 12355, 19415, 22945, 27181, 32123, 42713, 50479, 55055, 135905, 160615, 213565, 252395, 298991, 353353, 555269, 1494955, 1766765, 2776345, 3886883, 19434415]

約数ペア:

[(1, 19434415), (5, 3886883), (7, 2776345), (11, 1766765), (13, 1494955), (35, 555269), (55, 353353), (65, 298991), (77, 252395), (91, 213565), (121, 160615), (143, 135905), (353, 55055), (385, 50479), (455, 42713), (605, 32123), (715, 27181), (847, 22945), (1001, 19415), (1573, 12355), (1765, 11011), (2471, 7865), (3883, 5005), (4235, 4589)]