18914924

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1277}}^1$

素因数の和:1334

約数の個数: 36

約数和(自身を含む): 39577104

約数和(自身を除く): 20662180

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 529, 644, 1058, 1277, 2116, 2554, 3703, 5108, 7406, 8939, 14812, 17878, 29371, 35756, 58742, 117484, 205597, 411194, 675533, 822388, 1351066, 2702132, 4728731, 9457462, 18914924]

約数ペア:

[(1, 18914924), (2, 9457462), (4, 4728731), (7, 2702132), (14, 1351066), (23, 822388), (28, 675533), (46, 411194), (92, 205597), (161, 117484), (322, 58742), (529, 35756), (644, 29371), (1058, 17878), (1277, 14812), (2116, 8939), (2554, 7406), (3703, 5108)]