19646270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 42425856

約数和(自身を除く): 22779586

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 61, 70, 86, 107, 122, 214, 215, 301, 305, 427, 430, 535, 602, 610, 749, 854, 1070, 1498, 1505, 2135, 2623, 3010, 3745, 4270, 4601, 5246, 6527, 7490, 9202, 13054, 13115, 18361, 23005, 26230, 32207, 32635, 36722, 45689, 46010, 64414, 65270, 91378, 91805, 161035, 183610, 228445, 280661, 322070, 456890, 561322, 1403305, 1964627, 2806610, 3929254, 9823135, 19646270]

約数ペア:

[(1, 19646270), (2, 9823135), (5, 3929254), (7, 2806610), (10, 1964627), (14, 1403305), (35, 561322), (43, 456890), (61, 322070), (70, 280661), (86, 228445), (107, 183610), (122, 161035), (214, 91805), (215, 91378), (301, 65270), (305, 64414), (427, 46010), (430, 45689), (535, 36722), (602, 32635), (610, 32207), (749, 26230), (854, 23005), (1070, 18361), (1498, 13115), (1505, 13054), (2135, 9202), (2623, 7490), (3010, 6527), (3745, 5246), (4270, 4601)]