19325916

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{7561}}^1$

素因数の和:7642

約数の個数: 36

約数和(自身を含む): 49546224

約数和(自身を除く): 30220308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 7561, 15122, 22683, 30244, 45366, 68049, 90732, 136098, 272196, 536831, 1073662, 1610493, 2147324, 3220986, 4831479, 6441972, 9662958, 19325916]

約数ペア:

[(1, 19325916), (2, 9662958), (3, 6441972), (4, 4831479), (6, 3220986), (9, 2147324), (12, 1610493), (18, 1073662), (36, 536831), (71, 272196), (142, 136098), (213, 90732), (284, 68049), (426, 45366), (639, 30244), (852, 22683), (1278, 15122), (2556, 7561)]