18485350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{28439}}^1$

素因数の和:28464

約数の個数: 24

約数和(自身を含む): 37028880

約数和(自身を除く): 18543530

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 28439, 56878, 142195, 284390, 369707, 710975, 739414, 1421950, 1848535, 3697070, 9242675, 18485350]

約数ペア:

[(1, 18485350), (2, 9242675), (5, 3697070), (10, 1848535), (13, 1421950), (25, 739414), (26, 710975), (50, 369707), (65, 284390), (130, 142195), (325, 56878), (650, 28439)]