19104183

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4271}}^1$

素因数の和:4355

約数の個数: 24

約数和(自身を含む): 31988736

約数和(自身を除く): 12884553

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4271, 4473, 12813, 29897, 38439, 89691, 269073, 303241, 909723, 2122687, 2729169, 6368061, 19104183]

約数ペア:

[(1, 19104183), (3, 6368061), (7, 2729169), (9, 2122687), (21, 909723), (63, 303241), (71, 269073), (213, 89691), (497, 38439), (639, 29897), (1491, 12813), (4271, 4473)]