19281584

素因数分解:

$2^4\times 7^1\times {\mathrm{172157}}^1$

素因数の和:172172

約数の個数: 20

約数和(自身を含む): 42695184

約数和(自身を除く): 23413600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 172157, 344314, 688628, 1205099, 1377256, 2410198, 2754512, 4820396, 9640792, 19281584]

約数ペア:

[(1, 19281584), (2, 9640792), (4, 4820396), (7, 2754512), (8, 2410198), (14, 1377256), (16, 1205099), (28, 688628), (56, 344314), (112, 172157)]