19496490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49991}}^1$

素因数の和:50014

約数の個数: 32

約数和(自身を含む): 50391936

約数和(自身を除く): 30895446

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 49991, 99982, 149973, 249955, 299946, 499910, 649883, 749865, 1299766, 1499730, 1949649, 3249415, 3899298, 6498830, 9748245, 19496490]

約数ペア:

[(1, 19496490), (2, 9748245), (3, 6498830), (5, 3899298), (6, 3249415), (10, 1949649), (13, 1499730), (15, 1299766), (26, 749865), (30, 649883), (39, 499910), (65, 299946), (78, 249955), (130, 149973), (195, 99982), (390, 49991)]