19365712

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{63703}}^1$

素因数の和:63730

約数の個数: 20

約数和(自身を含む): 39496480

約数和(自身を除く): 20130768

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 63703, 127406, 254812, 509624, 1019248, 1210357, 2420714, 4841428, 9682856, 19365712]

約数ペア:

[(1, 19365712), (2, 9682856), (4, 4841428), (8, 2420714), (16, 1210357), (19, 1019248), (38, 509624), (76, 254812), (152, 127406), (304, 63703)]