19407544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1031}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 39443040

約数和(自身を除く): 20035496

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181, 362, 724, 1031, 1448, 2062, 2353, 4124, 4706, 8248, 9412, 13403, 18824, 26806, 53612, 107224, 186611, 373222, 746444, 1492888, 2425943, 4851886, 9703772, 19407544]

約数ペア:

[(1, 19407544), (2, 9703772), (4, 4851886), (8, 2425943), (13, 1492888), (26, 746444), (52, 373222), (104, 186611), (181, 107224), (362, 53612), (724, 26806), (1031, 18824), (1448, 13403), (2062, 9412), (2353, 8248), (4124, 4706)]