19854394

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19427}}^1$

素因数の和:19509

約数の個数: 16

約数和(自身を含む): 34504128

約数和(自身を除く): 14649734

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 19427, 38854, 135989, 271978, 1418171, 2836342, 9927197, 19854394]

約数ペア:

[(1, 19854394), (2, 9927197), (7, 2836342), (14, 1418171), (73, 271978), (146, 135989), (511, 38854), (1022, 19427)]