16188855

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 27920640

約数和(自身を除く): 11731785

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 1321, 2451, 3963, 4085, 6605, 12255, 19815, 25099, 56803, 75297, 125495, 170409, 284015, 376485, 852045, 1079257, 3237771, 5396285, 16188855]

約数ペア:

[(1, 16188855), (3, 5396285), (5, 3237771), (15, 1079257), (19, 852045), (43, 376485), (57, 284015), (95, 170409), (129, 125495), (215, 75297), (285, 56803), (645, 25099), (817, 19815), (1321, 12255), (2451, 6605), (3963, 4085)]