19418245

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1627}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 30007296

約数和(自身を除く): 10589051

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1085, 1627, 1705, 2387, 8135, 11389, 11935, 17897, 50437, 56945, 89485, 125279, 252185, 353059, 554807, 626395, 1765295, 2774035, 3883649, 19418245]

約数ペア:

[(1, 19418245), (5, 3883649), (7, 2774035), (11, 1765295), (31, 626395), (35, 554807), (55, 353059), (77, 252185), (155, 125279), (217, 89485), (341, 56945), (385, 50437), (1085, 17897), (1627, 11935), (1705, 11389), (2387, 8135)]