19284784

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{19759}}^1$

素因数の和:19828

約数の個数: 20

約数和(自身を含む): 37978720

約数和(自身を除く): 18693936

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 19759, 39518, 79036, 158072, 316144, 1205299, 2410598, 4821196, 9642392, 19284784]

約数ペア:

[(1, 19284784), (2, 9642392), (4, 4821196), (8, 2410598), (16, 1205299), (61, 316144), (122, 158072), (244, 79036), (488, 39518), (976, 19759)]